From f00bb03be775538203f3ee643a17fdb50fe8565f Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Mon, 22 Aug 2022 19:26:25 +0800
Subject: [PATCH 01/29] Support functional test for Argument Clinic

---
 .../test_clinic_functionality/__init__.py     |   1 +
 .../test_clinic_functionality/__main__.py     |   3 +
 .../clinic/test_clinic_functionality.c.h      | 165 ++++++++++++++++++
 Lib/test/test_clinic_functionality/setup.py   |  12 ++
 .../test_clinic_functionality.c               |  97 ++++++++++
 .../test_clinic_functionality.py              | 128 ++++++++++++++
 6 files changed, 406 insertions(+)
 create mode 100644 Lib/test/test_clinic_functionality/__init__.py
 create mode 100644 Lib/test/test_clinic_functionality/__main__.py
 create mode 100644 Lib/test/test_clinic_functionality/clinic/test_clinic_functionality.c.h
 create mode 100644 Lib/test/test_clinic_functionality/setup.py
 create mode 100644 Lib/test/test_clinic_functionality/test_clinic_functionality.c
 create mode 100644 Lib/test/test_clinic_functionality/test_clinic_functionality.py

diff --git a/Lib/test/test_clinic_functionality/__init__.py b/Lib/test/test_clinic_functionality/__init__.py
new file mode 100644
index 00000000000000..3ad4812cda5e16
--- /dev/null
+++ b/Lib/test/test_clinic_functionality/__init__.py
@@ -0,0 +1 @@
+from .test_clinic_functionality import *
diff --git a/Lib/test/test_clinic_functionality/__main__.py b/Lib/test/test_clinic_functionality/__main__.py
new file mode 100644
index 00000000000000..e3847f31fd6c91
--- /dev/null
+++ b/Lib/test/test_clinic_functionality/__main__.py
@@ -0,0 +1,3 @@
+import unittest
+
+unittest.main('test.test_clinic_functionality')
diff --git a/Lib/test/test_clinic_functionality/clinic/test_clinic_functionality.c.h b/Lib/test/test_clinic_functionality/clinic/test_clinic_functionality.c.h
new file mode 100644
index 00000000000000..46a6aa9903ac48
--- /dev/null
+++ b/Lib/test/test_clinic_functionality/clinic/test_clinic_functionality.c.h
@@ -0,0 +1,165 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+#  include "pycore_gc.h"            // PyGC_Head
+#  include "pycore_runtime.h"       // _Py_ID()
+#endif
+
+
+PyDoc_STRVAR(gh_32092_oob__doc__,
+"gh_32092_oob($module, /, pos1, pos2, *varargs, kw1=None, kw2=None)\n"
+"--\n"
+"\n"
+"Proof-of-concept of GH-32092 OOB bug.\n"
+"\n"
+"Array index out-of-bound bug in function\n"
+"`_PyArg_UnpackKeywordsWithVararg` .\n"
+"\n"
+"Calling this function by gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)\n"
+"to trigger this bug (crash).\n"
+"Expected return: (1, 2, (3, 4), 5, 6)");
+
+#define GH_32092_OOB_METHODDEF    \
+    {"gh_32092_oob", _PyCFunction_CAST(gh_32092_oob), METH_FASTCALL|METH_KEYWORDS, gh_32092_oob__doc__},
+
+static PyObject *
+gh_32092_oob_impl(PyObject *module, PyObject *pos1, PyObject *pos2,
+                  PyObject *varargs, PyObject *kw1, PyObject *kw2);
+
+static PyObject *
+gh_32092_oob(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 4
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(pos1), &_Py_ID(pos2), &_Py_ID(kw1), &_Py_ID(kw2), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"pos1", "pos2", "kw1", "kw2", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "gh_32092_oob",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[5];
+    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
+    PyObject *pos1;
+    PyObject *pos2;
+    PyObject *varargs = NULL;
+    PyObject *kw1 = Py_None;
+    PyObject *kw2 = Py_None;
+
+    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 2, 2, 0, 2, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    pos1 = args[0];
+    pos2 = args[1];
+    varargs = args[2];
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    if (args[3]) {
+        kw1 = args[3];
+        if (!--noptargs) {
+            goto skip_optional_kwonly;
+        }
+    }
+    kw2 = args[4];
+skip_optional_kwonly:
+    return_value = gh_32092_oob_impl(module, pos1, pos2, varargs, kw1, kw2);
+
+exit:
+    Py_XDECREF(varargs);
+    return return_value;
+}
+
+PyDoc_STRVAR(gh_32092_kw_pass__doc__,
+"gh_32092_kw_pass($module, /, pos, *args, kw=None)\n"
+"--\n"
+"\n"
+"Proof-of-concept of GH-32092 keyword args passing bug.\n"
+"\n"
+"The calculation of `noptargs` in AC-generated function\n"
+"`builtin_kw_pass_poc` is incorrect.\n"
+"\n"
+"Calling this function by gh_32092_kw_pass(1, 2, 3)\n"
+"to trigger this bug (crash).\n"
+"Expected return: (1, (2, 3))");
+
+#define GH_32092_KW_PASS_METHODDEF    \
+    {"gh_32092_kw_pass", _PyCFunction_CAST(gh_32092_kw_pass), METH_FASTCALL|METH_KEYWORDS, gh_32092_kw_pass__doc__},
+
+static PyObject *
+gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
+                      PyObject *kw);
+
+static PyObject *
+gh_32092_kw_pass(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 2
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(pos), &_Py_ID(kw), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"pos", "kw", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "gh_32092_kw_pass",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[3];
+    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
+    PyObject *pos;
+    PyObject *__clinic_args = NULL;
+    PyObject *kw = Py_None;
+
+    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, 1, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    pos = args[0];
+    __clinic_args = args[1];
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    kw = args[2];
+skip_optional_kwonly:
+    return_value = gh_32092_kw_pass_impl(module, pos, __clinic_args, kw);
+
+exit:
+    Py_XDECREF(__clinic_args);
+    return return_value;
+}
+/*[clinic end generated code: output=cebc2a5a0048c387 input=a9049054013a1b77]*/
diff --git a/Lib/test/test_clinic_functionality/setup.py b/Lib/test/test_clinic_functionality/setup.py
new file mode 100644
index 00000000000000..d5891a465cfefc
--- /dev/null
+++ b/Lib/test/test_clinic_functionality/setup.py
@@ -0,0 +1,12 @@
+from setuptools import setup, Extension
+from test import support
+
+
+def main():
+    SOURCE = support.findfile('test_clinic_functionality.c', subdir='test_clinic_functionality')
+    module = Extension('test_clinic_functionality', sources=[SOURCE])
+    setup(name='test_clinic_functionality', version='0.0', ext_modules=[module])
+
+
+if __name__ == '__main__':
+    main()
diff --git a/Lib/test/test_clinic_functionality/test_clinic_functionality.c b/Lib/test/test_clinic_functionality/test_clinic_functionality.c
new file mode 100644
index 00000000000000..0ba688e3d58199
--- /dev/null
+++ b/Lib/test/test_clinic_functionality/test_clinic_functionality.c
@@ -0,0 +1,97 @@
+#define PY_SSIZE_T_CLEAN
+#include <Python.h>
+#include "clinic/test_clinic_functionality.c.h"
+
+
+/*[clinic input]
+module  clinic_functional_tester
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=2ee8b0b242501b11]*/
+
+/*[clinic input]
+gh_32092_oob
+
+    pos1: object
+    pos2: object
+    *varargs: object
+    kw1: object = None
+    kw2: object = None
+
+Proof-of-concept of GH-32092 OOB bug.
+
+Array index out-of-bound bug in function
+`_PyArg_UnpackKeywordsWithVararg` .
+
+Calling this function by gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
+to trigger this bug (crash).
+Expected return: (1, 2, (3, 4), 5, 6)
+
+[clinic start generated code]*/
+
+static PyObject *
+gh_32092_oob_impl(PyObject *module, PyObject *pos1, PyObject *pos2,
+                  PyObject *varargs, PyObject *kw1, PyObject *kw2)
+/*[clinic end generated code: output=ee259c130054653f input=91d8e227acf93b02]*/
+{
+    PyObject *tuple = PyTuple_New(5);;
+    PyTuple_SET_ITEM(tuple, 0, Py_NewRef(pos1));
+    PyTuple_SET_ITEM(tuple, 1, Py_NewRef(pos2));
+    PyTuple_SET_ITEM(tuple, 2, Py_NewRef(varargs));
+    PyTuple_SET_ITEM(tuple, 3, Py_NewRef(kw1));
+    PyTuple_SET_ITEM(tuple, 4, Py_NewRef(kw2));
+    return tuple;
+}
+
+/*[clinic input]
+gh_32092_kw_pass
+
+    pos: object
+    *args: object
+    kw: object = None
+
+Proof-of-concept of GH-32092 keyword args passing bug.
+
+The calculation of `noptargs` in AC-generated function
+`builtin_kw_pass_poc` is incorrect.
+
+Calling this function by gh_32092_kw_pass(1, 2, 3)
+to trigger this bug (crash).
+Expected return: (1, (2, 3))
+
+[clinic start generated code]*/
+
+static PyObject *
+gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
+                      PyObject *kw)
+/*[clinic end generated code: output=4a2bbe4f7c8604e9 input=c51b7572ac09f193]*/
+{
+    PyObject *tuple = PyTuple_New(3);;
+    PyTuple_SET_ITEM(tuple, 0, Py_NewRef(pos));
+    PyTuple_SET_ITEM(tuple, 1, Py_NewRef(args));
+    PyTuple_SET_ITEM(tuple, 2, Py_NewRef(kw));
+    return tuple;
+}
+
+static PyMethodDef tester_methods[] = {
+    GH_32092_OOB_METHODDEF
+    GH_32092_KW_PASS_METHODDEF
+    {NULL, NULL}
+};
+
+static struct PyModuleDef clinic_functional_tester_module = {
+        PyModuleDef_HEAD_INIT,
+        "clinic_functional_tester",
+        NULL,
+        0,
+        tester_methods,
+        NULL,
+        NULL,
+        NULL,
+        NULL
+};
+
+PyMODINIT_FUNC
+PyInit_test_clinic_functionality(void)
+{
+    return PyModule_Create(&clinic_functional_tester_module);
+}
diff --git a/Lib/test/test_clinic_functionality/test_clinic_functionality.py b/Lib/test/test_clinic_functionality/test_clinic_functionality.py
new file mode 100644
index 00000000000000..53cad36bfb3b29
--- /dev/null
+++ b/Lib/test/test_clinic_functionality/test_clinic_functionality.py
@@ -0,0 +1,128 @@
+import os.path
+import sys
+import unittest
+import subprocess
+import textwrap
+from test import support
+from test.support import os_helper
+
+
+MS_WINDOWS = (sys.platform == 'win32')
+SETUP = support.findfile('setup.py', subdir='test_clinic_functionality')
+MOD_NAME = 'test_clinic_functionality'
+
+
+def _run_cmd(operation, cmd, verbose=False):
+    if verbose:
+        print(f'{operation}:', ' '.join(cmd))
+        subprocess.run(cmd, check=True)
+    else:
+        proc = subprocess.run(cmd,
+                              stdout=subprocess.PIPE,
+                              stderr=subprocess.STDOUT,
+                              text=True)
+        if proc.returncode:
+            print(proc.stdout, end='')
+            self.fail(f'{operation} failed with exit code {proc.returncode}')
+
+
+class EnvInitializer:
+    """Build the module before test and clear the files after test."""
+    python = ''
+    verbose = support.verbose
+
+    def run_cmd(self, operation, cmd):
+        _run_cmd(operation, cmd, self.verbose)
+
+    def _setup_env(self):
+        venv_dir = 'env'
+
+        # Create virtual environment to get setuptools
+        cmd = [sys.executable, '-X', 'dev', '-m', 'venv', venv_dir]
+        self.run_cmd('Setup venv', cmd)
+
+        # Get the Python executable of the venv
+        python_exe = 'python'
+        if sys.executable.endswith('.exe'):
+            python_exe += '.exe'
+        if MS_WINDOWS:
+            self.python = os.path.join(venv_dir, 'Scripts', python_exe)
+        else:
+            self.python = os.path.join(venv_dir, 'bin', python_exe)
+
+        # Build module
+        cmd = [self.python, '-X', 'dev', SETUP, 'build_ext', '--verbose']
+        self.run_cmd('Build', cmd)
+
+        # Install module
+        cmd = [self.python, '-X', 'dev', SETUP, 'install']
+        self.run_cmd('Install', cmd)
+
+    def setup_env(self):
+        # Build in a temporary directory
+        with os_helper.temp_cwd():
+            self._setup_env()
+            yield
+
+    def __init__(self):
+        if self.verbose:
+            print()
+            print('Setup test environment')
+        self.env = self.setup_env()
+        next(self.env)
+
+    def __del__(self):
+        if self.verbose:
+            print('Clear test environment')
+        try:
+            next(self.env)
+        except StopIteration:
+            pass
+        except Exception as e:
+            raise e
+
+
+env = None
+
+
+def setUpModule():
+    global env
+    env = EnvInitializer()
+
+
+def tearDownModule():
+    global env
+    del env
+
+
+@support.requires_subprocess()
+@support.requires_venv_with_pip()
+class TestClinicFunctional(unittest.TestCase):
+    verbose = support.verbose
+
+    def run_cmd(self, operation, cmd):
+        _run_cmd(operation, cmd, self.verbose)
+
+    def exec_script(self, script):
+        script = textwrap.dedent(script)
+        global env
+        python = env.python
+        cmd = [python, '-c', script]
+        self.run_cmd('Test', cmd)
+
+    def assert_func_result(self, func_str, expected_result):
+        script = f'''\
+            import {MOD_NAME} as mod
+            assert(mod.{func_str} == {expected_result})
+        '''
+        self.exec_script(script)
+
+    def test_gh_32092_oob(self):
+        self.assert_func_result('gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)', '(1, 2, (3, 4), 5, 6))')
+
+    def test_gh_32092_kw_pass(self):
+        self.assert_func_result('gh_32092_kw_pass(1, 2, 3)', '(1, (2, 3))')
+
+
+if __name__ == "__main__":
+    unittest.main()

From a59e3042f5ac9a7f296e00d07af58374b947ec97 Mon Sep 17 00:00:00 2001
From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com>
Date: Mon, 22 Aug 2022 15:49:15 +0000
Subject: [PATCH 02/29] =?UTF-8?q?=F0=9F=93=9C=F0=9F=A4=96=20Added=20by=20b?=
 =?UTF-8?q?lurb=5Fit.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../next/Tests/2022-08-22-15-49-14.gh-issue-96002.4UE9UE.rst     | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 Misc/NEWS.d/next/Tests/2022-08-22-15-49-14.gh-issue-96002.4UE9UE.rst

diff --git a/Misc/NEWS.d/next/Tests/2022-08-22-15-49-14.gh-issue-96002.4UE9UE.rst b/Misc/NEWS.d/next/Tests/2022-08-22-15-49-14.gh-issue-96002.4UE9UE.rst
new file mode 100644
index 00000000000000..d0597e956e2b5d
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2022-08-22-15-49-14.gh-issue-96002.4UE9UE.rst
@@ -0,0 +1 @@
+Add functional test (``test_clinic_functionality``) for Argument Clinic.

From 2bd331e97a61ee36baa3f21d41ee11aff9da5bfb Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Tue, 23 Aug 2022 13:07:41 +0800
Subject: [PATCH 03/29] Revert "Support functional test for Argument Clinic"

This reverts commit f00bb03be775538203f3ee643a17fdb50fe8565f.
---
 .../test_clinic_functionality/__init__.py     |   1 -
 .../test_clinic_functionality/__main__.py     |   3 -
 .../clinic/test_clinic_functionality.c.h      | 165 ------------------
 Lib/test/test_clinic_functionality/setup.py   |  12 --
 .../test_clinic_functionality.c               |  97 ----------
 .../test_clinic_functionality.py              | 128 --------------
 6 files changed, 406 deletions(-)
 delete mode 100644 Lib/test/test_clinic_functionality/__init__.py
 delete mode 100644 Lib/test/test_clinic_functionality/__main__.py
 delete mode 100644 Lib/test/test_clinic_functionality/clinic/test_clinic_functionality.c.h
 delete mode 100644 Lib/test/test_clinic_functionality/setup.py
 delete mode 100644 Lib/test/test_clinic_functionality/test_clinic_functionality.c
 delete mode 100644 Lib/test/test_clinic_functionality/test_clinic_functionality.py

diff --git a/Lib/test/test_clinic_functionality/__init__.py b/Lib/test/test_clinic_functionality/__init__.py
deleted file mode 100644
index 3ad4812cda5e16..00000000000000
--- a/Lib/test/test_clinic_functionality/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-from .test_clinic_functionality import *
diff --git a/Lib/test/test_clinic_functionality/__main__.py b/Lib/test/test_clinic_functionality/__main__.py
deleted file mode 100644
index e3847f31fd6c91..00000000000000
--- a/Lib/test/test_clinic_functionality/__main__.py
+++ /dev/null
@@ -1,3 +0,0 @@
-import unittest
-
-unittest.main('test.test_clinic_functionality')
diff --git a/Lib/test/test_clinic_functionality/clinic/test_clinic_functionality.c.h b/Lib/test/test_clinic_functionality/clinic/test_clinic_functionality.c.h
deleted file mode 100644
index 46a6aa9903ac48..00000000000000
--- a/Lib/test/test_clinic_functionality/clinic/test_clinic_functionality.c.h
+++ /dev/null
@@ -1,165 +0,0 @@
-/*[clinic input]
-preserve
-[clinic start generated code]*/
-
-#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
-#  include "pycore_gc.h"            // PyGC_Head
-#  include "pycore_runtime.h"       // _Py_ID()
-#endif
-
-
-PyDoc_STRVAR(gh_32092_oob__doc__,
-"gh_32092_oob($module, /, pos1, pos2, *varargs, kw1=None, kw2=None)\n"
-"--\n"
-"\n"
-"Proof-of-concept of GH-32092 OOB bug.\n"
-"\n"
-"Array index out-of-bound bug in function\n"
-"`_PyArg_UnpackKeywordsWithVararg` .\n"
-"\n"
-"Calling this function by gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)\n"
-"to trigger this bug (crash).\n"
-"Expected return: (1, 2, (3, 4), 5, 6)");
-
-#define GH_32092_OOB_METHODDEF    \
-    {"gh_32092_oob", _PyCFunction_CAST(gh_32092_oob), METH_FASTCALL|METH_KEYWORDS, gh_32092_oob__doc__},
-
-static PyObject *
-gh_32092_oob_impl(PyObject *module, PyObject *pos1, PyObject *pos2,
-                  PyObject *varargs, PyObject *kw1, PyObject *kw2);
-
-static PyObject *
-gh_32092_oob(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
-{
-    PyObject *return_value = NULL;
-    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
-
-    #define NUM_KEYWORDS 4
-    static struct {
-        PyGC_Head _this_is_not_used;
-        PyObject_VAR_HEAD
-        PyObject *ob_item[NUM_KEYWORDS];
-    } _kwtuple = {
-        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
-        .ob_item = { &_Py_ID(pos1), &_Py_ID(pos2), &_Py_ID(kw1), &_Py_ID(kw2), },
-    };
-    #undef NUM_KEYWORDS
-    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
-
-    #else  // !Py_BUILD_CORE
-    #  define KWTUPLE NULL
-    #endif  // !Py_BUILD_CORE
-
-    static const char * const _keywords[] = {"pos1", "pos2", "kw1", "kw2", NULL};
-    static _PyArg_Parser _parser = {
-        .keywords = _keywords,
-        .fname = "gh_32092_oob",
-        .kwtuple = KWTUPLE,
-    };
-    #undef KWTUPLE
-    PyObject *argsbuf[5];
-    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
-    PyObject *pos1;
-    PyObject *pos2;
-    PyObject *varargs = NULL;
-    PyObject *kw1 = Py_None;
-    PyObject *kw2 = Py_None;
-
-    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 2, 2, 0, 2, argsbuf);
-    if (!args) {
-        goto exit;
-    }
-    pos1 = args[0];
-    pos2 = args[1];
-    varargs = args[2];
-    if (!noptargs) {
-        goto skip_optional_kwonly;
-    }
-    if (args[3]) {
-        kw1 = args[3];
-        if (!--noptargs) {
-            goto skip_optional_kwonly;
-        }
-    }
-    kw2 = args[4];
-skip_optional_kwonly:
-    return_value = gh_32092_oob_impl(module, pos1, pos2, varargs, kw1, kw2);
-
-exit:
-    Py_XDECREF(varargs);
-    return return_value;
-}
-
-PyDoc_STRVAR(gh_32092_kw_pass__doc__,
-"gh_32092_kw_pass($module, /, pos, *args, kw=None)\n"
-"--\n"
-"\n"
-"Proof-of-concept of GH-32092 keyword args passing bug.\n"
-"\n"
-"The calculation of `noptargs` in AC-generated function\n"
-"`builtin_kw_pass_poc` is incorrect.\n"
-"\n"
-"Calling this function by gh_32092_kw_pass(1, 2, 3)\n"
-"to trigger this bug (crash).\n"
-"Expected return: (1, (2, 3))");
-
-#define GH_32092_KW_PASS_METHODDEF    \
-    {"gh_32092_kw_pass", _PyCFunction_CAST(gh_32092_kw_pass), METH_FASTCALL|METH_KEYWORDS, gh_32092_kw_pass__doc__},
-
-static PyObject *
-gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
-                      PyObject *kw);
-
-static PyObject *
-gh_32092_kw_pass(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
-{
-    PyObject *return_value = NULL;
-    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
-
-    #define NUM_KEYWORDS 2
-    static struct {
-        PyGC_Head _this_is_not_used;
-        PyObject_VAR_HEAD
-        PyObject *ob_item[NUM_KEYWORDS];
-    } _kwtuple = {
-        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
-        .ob_item = { &_Py_ID(pos), &_Py_ID(kw), },
-    };
-    #undef NUM_KEYWORDS
-    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
-
-    #else  // !Py_BUILD_CORE
-    #  define KWTUPLE NULL
-    #endif  // !Py_BUILD_CORE
-
-    static const char * const _keywords[] = {"pos", "kw", NULL};
-    static _PyArg_Parser _parser = {
-        .keywords = _keywords,
-        .fname = "gh_32092_kw_pass",
-        .kwtuple = KWTUPLE,
-    };
-    #undef KWTUPLE
-    PyObject *argsbuf[3];
-    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
-    PyObject *pos;
-    PyObject *__clinic_args = NULL;
-    PyObject *kw = Py_None;
-
-    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, 1, argsbuf);
-    if (!args) {
-        goto exit;
-    }
-    pos = args[0];
-    __clinic_args = args[1];
-    if (!noptargs) {
-        goto skip_optional_kwonly;
-    }
-    kw = args[2];
-skip_optional_kwonly:
-    return_value = gh_32092_kw_pass_impl(module, pos, __clinic_args, kw);
-
-exit:
-    Py_XDECREF(__clinic_args);
-    return return_value;
-}
-/*[clinic end generated code: output=cebc2a5a0048c387 input=a9049054013a1b77]*/
diff --git a/Lib/test/test_clinic_functionality/setup.py b/Lib/test/test_clinic_functionality/setup.py
deleted file mode 100644
index d5891a465cfefc..00000000000000
--- a/Lib/test/test_clinic_functionality/setup.py
+++ /dev/null
@@ -1,12 +0,0 @@
-from setuptools import setup, Extension
-from test import support
-
-
-def main():
-    SOURCE = support.findfile('test_clinic_functionality.c', subdir='test_clinic_functionality')
-    module = Extension('test_clinic_functionality', sources=[SOURCE])
-    setup(name='test_clinic_functionality', version='0.0', ext_modules=[module])
-
-
-if __name__ == '__main__':
-    main()
diff --git a/Lib/test/test_clinic_functionality/test_clinic_functionality.c b/Lib/test/test_clinic_functionality/test_clinic_functionality.c
deleted file mode 100644
index 0ba688e3d58199..00000000000000
--- a/Lib/test/test_clinic_functionality/test_clinic_functionality.c
+++ /dev/null
@@ -1,97 +0,0 @@
-#define PY_SSIZE_T_CLEAN
-#include <Python.h>
-#include "clinic/test_clinic_functionality.c.h"
-
-
-/*[clinic input]
-module  clinic_functional_tester
-[clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=2ee8b0b242501b11]*/
-
-/*[clinic input]
-gh_32092_oob
-
-    pos1: object
-    pos2: object
-    *varargs: object
-    kw1: object = None
-    kw2: object = None
-
-Proof-of-concept of GH-32092 OOB bug.
-
-Array index out-of-bound bug in function
-`_PyArg_UnpackKeywordsWithVararg` .
-
-Calling this function by gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
-to trigger this bug (crash).
-Expected return: (1, 2, (3, 4), 5, 6)
-
-[clinic start generated code]*/
-
-static PyObject *
-gh_32092_oob_impl(PyObject *module, PyObject *pos1, PyObject *pos2,
-                  PyObject *varargs, PyObject *kw1, PyObject *kw2)
-/*[clinic end generated code: output=ee259c130054653f input=91d8e227acf93b02]*/
-{
-    PyObject *tuple = PyTuple_New(5);;
-    PyTuple_SET_ITEM(tuple, 0, Py_NewRef(pos1));
-    PyTuple_SET_ITEM(tuple, 1, Py_NewRef(pos2));
-    PyTuple_SET_ITEM(tuple, 2, Py_NewRef(varargs));
-    PyTuple_SET_ITEM(tuple, 3, Py_NewRef(kw1));
-    PyTuple_SET_ITEM(tuple, 4, Py_NewRef(kw2));
-    return tuple;
-}
-
-/*[clinic input]
-gh_32092_kw_pass
-
-    pos: object
-    *args: object
-    kw: object = None
-
-Proof-of-concept of GH-32092 keyword args passing bug.
-
-The calculation of `noptargs` in AC-generated function
-`builtin_kw_pass_poc` is incorrect.
-
-Calling this function by gh_32092_kw_pass(1, 2, 3)
-to trigger this bug (crash).
-Expected return: (1, (2, 3))
-
-[clinic start generated code]*/
-
-static PyObject *
-gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
-                      PyObject *kw)
-/*[clinic end generated code: output=4a2bbe4f7c8604e9 input=c51b7572ac09f193]*/
-{
-    PyObject *tuple = PyTuple_New(3);;
-    PyTuple_SET_ITEM(tuple, 0, Py_NewRef(pos));
-    PyTuple_SET_ITEM(tuple, 1, Py_NewRef(args));
-    PyTuple_SET_ITEM(tuple, 2, Py_NewRef(kw));
-    return tuple;
-}
-
-static PyMethodDef tester_methods[] = {
-    GH_32092_OOB_METHODDEF
-    GH_32092_KW_PASS_METHODDEF
-    {NULL, NULL}
-};
-
-static struct PyModuleDef clinic_functional_tester_module = {
-        PyModuleDef_HEAD_INIT,
-        "clinic_functional_tester",
-        NULL,
-        0,
-        tester_methods,
-        NULL,
-        NULL,
-        NULL,
-        NULL
-};
-
-PyMODINIT_FUNC
-PyInit_test_clinic_functionality(void)
-{
-    return PyModule_Create(&clinic_functional_tester_module);
-}
diff --git a/Lib/test/test_clinic_functionality/test_clinic_functionality.py b/Lib/test/test_clinic_functionality/test_clinic_functionality.py
deleted file mode 100644
index 53cad36bfb3b29..00000000000000
--- a/Lib/test/test_clinic_functionality/test_clinic_functionality.py
+++ /dev/null
@@ -1,128 +0,0 @@
-import os.path
-import sys
-import unittest
-import subprocess
-import textwrap
-from test import support
-from test.support import os_helper
-
-
-MS_WINDOWS = (sys.platform == 'win32')
-SETUP = support.findfile('setup.py', subdir='test_clinic_functionality')
-MOD_NAME = 'test_clinic_functionality'
-
-
-def _run_cmd(operation, cmd, verbose=False):
-    if verbose:
-        print(f'{operation}:', ' '.join(cmd))
-        subprocess.run(cmd, check=True)
-    else:
-        proc = subprocess.run(cmd,
-                              stdout=subprocess.PIPE,
-                              stderr=subprocess.STDOUT,
-                              text=True)
-        if proc.returncode:
-            print(proc.stdout, end='')
-            self.fail(f'{operation} failed with exit code {proc.returncode}')
-
-
-class EnvInitializer:
-    """Build the module before test and clear the files after test."""
-    python = ''
-    verbose = support.verbose
-
-    def run_cmd(self, operation, cmd):
-        _run_cmd(operation, cmd, self.verbose)
-
-    def _setup_env(self):
-        venv_dir = 'env'
-
-        # Create virtual environment to get setuptools
-        cmd = [sys.executable, '-X', 'dev', '-m', 'venv', venv_dir]
-        self.run_cmd('Setup venv', cmd)
-
-        # Get the Python executable of the venv
-        python_exe = 'python'
-        if sys.executable.endswith('.exe'):
-            python_exe += '.exe'
-        if MS_WINDOWS:
-            self.python = os.path.join(venv_dir, 'Scripts', python_exe)
-        else:
-            self.python = os.path.join(venv_dir, 'bin', python_exe)
-
-        # Build module
-        cmd = [self.python, '-X', 'dev', SETUP, 'build_ext', '--verbose']
-        self.run_cmd('Build', cmd)
-
-        # Install module
-        cmd = [self.python, '-X', 'dev', SETUP, 'install']
-        self.run_cmd('Install', cmd)
-
-    def setup_env(self):
-        # Build in a temporary directory
-        with os_helper.temp_cwd():
-            self._setup_env()
-            yield
-
-    def __init__(self):
-        if self.verbose:
-            print()
-            print('Setup test environment')
-        self.env = self.setup_env()
-        next(self.env)
-
-    def __del__(self):
-        if self.verbose:
-            print('Clear test environment')
-        try:
-            next(self.env)
-        except StopIteration:
-            pass
-        except Exception as e:
-            raise e
-
-
-env = None
-
-
-def setUpModule():
-    global env
-    env = EnvInitializer()
-
-
-def tearDownModule():
-    global env
-    del env
-
-
-@support.requires_subprocess()
-@support.requires_venv_with_pip()
-class TestClinicFunctional(unittest.TestCase):
-    verbose = support.verbose
-
-    def run_cmd(self, operation, cmd):
-        _run_cmd(operation, cmd, self.verbose)
-
-    def exec_script(self, script):
-        script = textwrap.dedent(script)
-        global env
-        python = env.python
-        cmd = [python, '-c', script]
-        self.run_cmd('Test', cmd)
-
-    def assert_func_result(self, func_str, expected_result):
-        script = f'''\
-            import {MOD_NAME} as mod
-            assert(mod.{func_str} == {expected_result})
-        '''
-        self.exec_script(script)
-
-    def test_gh_32092_oob(self):
-        self.assert_func_result('gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)', '(1, 2, (3, 4), 5, 6))')
-
-    def test_gh_32092_kw_pass(self):
-        self.assert_func_result('gh_32092_kw_pass(1, 2, 3)', '(1, (2, 3))')
-
-
-if __name__ == "__main__":
-    unittest.main()

From fac5b7772dee54cd062fc0e8bb659ae39e311c0e Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Tue, 23 Aug 2022 15:36:42 +0800
Subject: [PATCH 04/29] Add functional test for Argument Clinic

---
 Include/internal/pycore_global_strings.h      |   5 +
 .../internal/pycore_runtime_init_generated.h  |  35 ++++
 Lib/test/test_clinic_functionality.py         |  16 ++
 Modules/Setup.stdlib.in                       |   1 +
 Modules/_testclinicfunctionality.c            | 105 +++++++++++
 Modules/clinic/_testclinicfunctionality.c.h   | 165 ++++++++++++++++++
 Python/stdlib_module_names.h                  |   1 +
 configure                                     |  40 +++++
 configure.ac                                  |   1 +
 9 files changed, 369 insertions(+)
 create mode 100644 Lib/test/test_clinic_functionality.py
 create mode 100644 Modules/_testclinicfunctionality.c
 create mode 100644 Modules/clinic/_testclinicfunctionality.c.h

diff --git a/Include/internal/pycore_global_strings.h b/Include/internal/pycore_global_strings.h
index aada220395023d..2a3261120744b5 100644
--- a/Include/internal/pycore_global_strings.h
+++ b/Include/internal/pycore_global_strings.h
@@ -425,6 +425,9 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(keyfile)
         STRUCT_FOR_ID(keys)
         STRUCT_FOR_ID(kind)
+        STRUCT_FOR_ID(kw)
+        STRUCT_FOR_ID(kw1)
+        STRUCT_FOR_ID(kw2)
         STRUCT_FOR_ID(lambda)
         STRUCT_FOR_ID(last)
         STRUCT_FOR_ID(last_node)
@@ -516,6 +519,8 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(pid)
         STRUCT_FOR_ID(policy)
         STRUCT_FOR_ID(pos)
+        STRUCT_FOR_ID(pos1)
+        STRUCT_FOR_ID(pos2)
         STRUCT_FOR_ID(print_file_and_line)
         STRUCT_FOR_ID(priority)
         STRUCT_FOR_ID(progress)
diff --git a/Include/internal/pycore_runtime_init_generated.h b/Include/internal/pycore_runtime_init_generated.h
index 09890cd812015b..ebf0395f121463 100644
--- a/Include/internal/pycore_runtime_init_generated.h
+++ b/Include/internal/pycore_runtime_init_generated.h
@@ -934,6 +934,9 @@ extern "C" {
                 INIT_ID(keyfile), \
                 INIT_ID(keys), \
                 INIT_ID(kind), \
+                INIT_ID(kw), \
+                INIT_ID(kw1), \
+                INIT_ID(kw2), \
                 INIT_ID(lambda), \
                 INIT_ID(last), \
                 INIT_ID(last_node), \
@@ -1025,6 +1028,8 @@ extern "C" {
                 INIT_ID(pid), \
                 INIT_ID(policy), \
                 INIT_ID(pos), \
+                INIT_ID(pos1), \
+                INIT_ID(pos2), \
                 INIT_ID(print_file_and_line), \
                 INIT_ID(priority), \
                 INIT_ID(progress), \
@@ -2170,6 +2175,12 @@ _PyUnicode_InitStaticStrings(void) {
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(kind);
     PyUnicode_InternInPlace(&string);
+    string = &_Py_ID(kw);
+    PyUnicode_InternInPlace(&string);
+    string = &_Py_ID(kw1);
+    PyUnicode_InternInPlace(&string);
+    string = &_Py_ID(kw2);
+    PyUnicode_InternInPlace(&string);
     string = &_Py_ID(lambda);
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(last);
@@ -2352,6 +2363,10 @@ _PyUnicode_InitStaticStrings(void) {
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(pos);
     PyUnicode_InternInPlace(&string);
+    string = &_Py_ID(pos1);
+    PyUnicode_InternInPlace(&string);
+    string = &_Py_ID(pos2);
+    PyUnicode_InternInPlace(&string);
     string = &_Py_ID(print_file_and_line);
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(priority);
@@ -6263,6 +6278,18 @@ _PyStaticObjects_CheckRefcnt(void) {
         _PyObject_Dump((PyObject *)&_Py_ID(kind));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
     };
+    if (Py_REFCNT((PyObject *)&_Py_ID(kw)) < _PyObject_IMMORTAL_REFCNT) {
+        _PyObject_Dump((PyObject *)&_Py_ID(kw));
+        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
+    };
+    if (Py_REFCNT((PyObject *)&_Py_ID(kw1)) < _PyObject_IMMORTAL_REFCNT) {
+        _PyObject_Dump((PyObject *)&_Py_ID(kw1));
+        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
+    };
+    if (Py_REFCNT((PyObject *)&_Py_ID(kw2)) < _PyObject_IMMORTAL_REFCNT) {
+        _PyObject_Dump((PyObject *)&_Py_ID(kw2));
+        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
+    };
     if (Py_REFCNT((PyObject *)&_Py_ID(lambda)) < _PyObject_IMMORTAL_REFCNT) {
         _PyObject_Dump((PyObject *)&_Py_ID(lambda));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
@@ -6627,6 +6654,14 @@ _PyStaticObjects_CheckRefcnt(void) {
         _PyObject_Dump((PyObject *)&_Py_ID(pos));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
     };
+    if (Py_REFCNT((PyObject *)&_Py_ID(pos1)) < _PyObject_IMMORTAL_REFCNT) {
+        _PyObject_Dump((PyObject *)&_Py_ID(pos1));
+        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
+    };
+    if (Py_REFCNT((PyObject *)&_Py_ID(pos2)) < _PyObject_IMMORTAL_REFCNT) {
+        _PyObject_Dump((PyObject *)&_Py_ID(pos2));
+        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
+    };
     if (Py_REFCNT((PyObject *)&_Py_ID(print_file_and_line)) < _PyObject_IMMORTAL_REFCNT) {
         _PyObject_Dump((PyObject *)&_Py_ID(print_file_and_line));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
diff --git a/Lib/test/test_clinic_functionality.py b/Lib/test/test_clinic_functionality.py
new file mode 100644
index 00000000000000..0356a4437989b1
--- /dev/null
+++ b/Lib/test/test_clinic_functionality.py
@@ -0,0 +1,16 @@
+import unittest
+from test.support import import_helper
+
+ac_tester = import_helper.import_module('_testclinicfunctionality')
+
+
+class TestClinicFunctionality(unittest.TestCase):
+    def test_gh_32092_oob(self):
+        res = ac_tester.gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
+        expect = (1, 2, (3, 4), 5, 6)
+        self.assertEqual(res, expect)
+
+    def test_gh_32092_kw_pass(self):
+        res = ac_tester.gh_32092_kw_pass(1, 2, 3)
+        expect = (1, (2, 3), None)
+        self.assertEqual(res, expect)
diff --git a/Modules/Setup.stdlib.in b/Modules/Setup.stdlib.in
index ac8959ebea5bf2..1032522fb9c47d 100644
--- a/Modules/Setup.stdlib.in
+++ b/Modules/Setup.stdlib.in
@@ -170,6 +170,7 @@
 @MODULE__TESTBUFFER_TRUE@_testbuffer _testbuffer.c
 @MODULE__TESTINTERNALCAPI_TRUE@_testinternalcapi _testinternalcapi.c
 @MODULE__TESTCAPI_TRUE@_testcapi _testcapimodule.c _testcapi/vectorcall.c _testcapi/vectorcall_limited.c _testcapi/heaptype.c _testcapi/unicode.c
+@MODULE__TESTCLINICFUNCTIONALITY_TRUE@_testclinicfunctionality _testclinicfunctionality.c
 
 # Some testing modules MUST be built as shared libraries.
 *shared*
diff --git a/Modules/_testclinicfunctionality.c b/Modules/_testclinicfunctionality.c
new file mode 100644
index 00000000000000..a23ba318a6cea4
--- /dev/null
+++ b/Modules/_testclinicfunctionality.c
@@ -0,0 +1,105 @@
+#ifndef Py_BUILD_CORE_BUILTIN
+#  define Py_BUILD_CORE_MODULE 1
+#endif
+
+/* Always enable assertions */
+#undef NDEBUG
+
+#define PY_SSIZE_T_CLEAN
+
+#include "Python.h"
+
+#include "clinic/_testclinicfunctionality.c.h"
+
+/*[clinic input]
+module  _testclinicfunctionality
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=19bd80db1aefb188]*/
+
+/*[clinic input]
+gh_32092_oob
+
+    pos1: object
+    pos2: object
+    *varargs: object
+    kw1: object = None
+    kw2: object = None
+
+Proof-of-concept of GH-32092 OOB bug.
+
+Array index out-of-bound bug in function
+`_PyArg_UnpackKeywordsWithVararg` .
+
+Calling this function by gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
+to trigger this bug (crash).
+Expected return: (1, 2, (3, 4), 5, 6)
+
+[clinic start generated code]*/
+
+static PyObject *
+gh_32092_oob_impl(PyObject *module, PyObject *pos1, PyObject *pos2,
+                  PyObject *varargs, PyObject *kw1, PyObject *kw2)
+/*[clinic end generated code: output=ee259c130054653f input=91d8e227acf93b02]*/
+{
+    PyObject *tuple = PyTuple_New(5);
+    PyTuple_SET_ITEM(tuple, 0, Py_NewRef(pos1));
+    PyTuple_SET_ITEM(tuple, 1, Py_NewRef(pos2));
+    PyTuple_SET_ITEM(tuple, 2, Py_NewRef(varargs));
+    PyTuple_SET_ITEM(tuple, 3, Py_NewRef(kw1));
+    PyTuple_SET_ITEM(tuple, 4, Py_NewRef(kw2));
+    return tuple;
+}
+
+/*[clinic input]
+gh_32092_kw_pass
+
+    pos: object
+    *args: object
+    kw: object = None
+
+Proof-of-concept of GH-32092 keyword args passing bug.
+
+The calculation of `noptargs` in AC-generated function
+`builtin_kw_pass_poc` is incorrect.
+
+Calling this function by gh_32092_kw_pass(1, 2, 3)
+to trigger this bug (crash).
+Expected return: (1, (2, 3), None)
+
+[clinic start generated code]*/
+
+static PyObject *
+gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
+                      PyObject *kw)
+/*[clinic end generated code: output=4a2bbe4f7c8604e9 input=5fc48f72f49193b6]*/
+{
+    PyObject *tuple = PyTuple_New(3);
+    PyTuple_SET_ITEM(tuple, 0, Py_NewRef(pos));
+    PyTuple_SET_ITEM(tuple, 1, Py_NewRef(args));
+    PyTuple_SET_ITEM(tuple, 2, Py_NewRef(kw));
+    return tuple;
+}
+
+static PyMethodDef tester_methods[] = {
+        GH_32092_OOB_METHODDEF
+        GH_32092_KW_PASS_METHODDEF
+        {NULL, NULL}
+};
+
+static struct PyModuleDef _testclinicfunctionality_module = {
+        PyModuleDef_HEAD_INIT,
+        "_testclinicfunctionality",
+        NULL,
+        0,
+        tester_methods,
+        NULL,
+        NULL,
+        NULL,
+        NULL
+};
+
+PyMODINIT_FUNC
+PyInit__testclinicfunctionality(void)
+{
+    return PyModule_Create(&_testclinicfunctionality_module);
+}
diff --git a/Modules/clinic/_testclinicfunctionality.c.h b/Modules/clinic/_testclinicfunctionality.c.h
new file mode 100644
index 00000000000000..60c04a3ee96147
--- /dev/null
+++ b/Modules/clinic/_testclinicfunctionality.c.h
@@ -0,0 +1,165 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+#  include "pycore_gc.h"            // PyGC_Head
+#  include "pycore_runtime.h"       // _Py_ID()
+#endif
+
+
+PyDoc_STRVAR(gh_32092_oob__doc__,
+"gh_32092_oob($module, /, pos1, pos2, *varargs, kw1=None, kw2=None)\n"
+"--\n"
+"\n"
+"Proof-of-concept of GH-32092 OOB bug.\n"
+"\n"
+"Array index out-of-bound bug in function\n"
+"`_PyArg_UnpackKeywordsWithVararg` .\n"
+"\n"
+"Calling this function by gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)\n"
+"to trigger this bug (crash).\n"
+"Expected return: (1, 2, (3, 4), 5, 6)");
+
+#define GH_32092_OOB_METHODDEF    \
+    {"gh_32092_oob", _PyCFunction_CAST(gh_32092_oob), METH_FASTCALL|METH_KEYWORDS, gh_32092_oob__doc__},
+
+static PyObject *
+gh_32092_oob_impl(PyObject *module, PyObject *pos1, PyObject *pos2,
+                  PyObject *varargs, PyObject *kw1, PyObject *kw2);
+
+static PyObject *
+gh_32092_oob(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 4
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(pos1), &_Py_ID(pos2), &_Py_ID(kw1), &_Py_ID(kw2), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"pos1", "pos2", "kw1", "kw2", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "gh_32092_oob",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[5];
+    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
+    PyObject *pos1;
+    PyObject *pos2;
+    PyObject *varargs = NULL;
+    PyObject *kw1 = Py_None;
+    PyObject *kw2 = Py_None;
+
+    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 2, 2, 0, 2, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    pos1 = args[0];
+    pos2 = args[1];
+    varargs = args[2];
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    if (args[3]) {
+        kw1 = args[3];
+        if (!--noptargs) {
+            goto skip_optional_kwonly;
+        }
+    }
+    kw2 = args[4];
+skip_optional_kwonly:
+    return_value = gh_32092_oob_impl(module, pos1, pos2, varargs, kw1, kw2);
+
+exit:
+    Py_XDECREF(varargs);
+    return return_value;
+}
+
+PyDoc_STRVAR(gh_32092_kw_pass__doc__,
+"gh_32092_kw_pass($module, /, pos, *args, kw=None)\n"
+"--\n"
+"\n"
+"Proof-of-concept of GH-32092 keyword args passing bug.\n"
+"\n"
+"The calculation of `noptargs` in AC-generated function\n"
+"`builtin_kw_pass_poc` is incorrect.\n"
+"\n"
+"Calling this function by gh_32092_kw_pass(1, 2, 3)\n"
+"to trigger this bug (crash).\n"
+"Expected return: (1, (2, 3), None)");
+
+#define GH_32092_KW_PASS_METHODDEF    \
+    {"gh_32092_kw_pass", _PyCFunction_CAST(gh_32092_kw_pass), METH_FASTCALL|METH_KEYWORDS, gh_32092_kw_pass__doc__},
+
+static PyObject *
+gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
+                      PyObject *kw);
+
+static PyObject *
+gh_32092_kw_pass(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 2
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(pos), &_Py_ID(kw), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"pos", "kw", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "gh_32092_kw_pass",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[3];
+    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
+    PyObject *pos;
+    PyObject *__clinic_args = NULL;
+    PyObject *kw = Py_None;
+
+    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, 1, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    pos = args[0];
+    __clinic_args = args[1];
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    kw = args[2];
+skip_optional_kwonly:
+    return_value = gh_32092_kw_pass_impl(module, pos, __clinic_args, kw);
+
+exit:
+    Py_XDECREF(__clinic_args);
+    return return_value;
+}
+/*[clinic end generated code: output=15c1dca3a5c1ae38 input=a9049054013a1b77]*/
diff --git a/Python/stdlib_module_names.h b/Python/stdlib_module_names.h
index b28156608d1b80..c3423ed20a388c 100644
--- a/Python/stdlib_module_names.h
+++ b/Python/stdlib_module_names.h
@@ -77,6 +77,7 @@ static const char* _Py_stdlib_module_names[] = {
 "_strptime",
 "_struct",
 "_symtable",
+"_testclinicfunctionality",
 "_thread",
 "_threading_local",
 "_tkinter",
diff --git a/configure b/configure
index 1801f806ae137f..21f005a51c02e5 100755
--- a/configure
+++ b/configure
@@ -642,6 +642,8 @@ MODULE__TESTBUFFER_FALSE
 MODULE__TESTBUFFER_TRUE
 MODULE__TESTINTERNALCAPI_FALSE
 MODULE__TESTINTERNALCAPI_TRUE
+MODULE__TESTCLINICFUNCTIONALITY_FALSE
+MODULE__TESTCLINICFUNCTIONALITY_TRUE
 MODULE__TESTCAPI_FALSE
 MODULE__TESTCAPI_TRUE
 MODULE__HASHLIB_FALSE
@@ -27625,6 +27627,40 @@ fi
 $as_echo "$py_cv_module__testcapi" >&6; }
 
 
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _testclinicfunctionality" >&5
+$as_echo_n "checking for stdlib extension module _testclinicfunctionality... " >&6; }
+        if test "$py_cv_module__testclinicfunctionality" != "n/a"; then :
+
+    if test "$TEST_MODULES" = yes; then :
+  if true; then :
+  py_cv_module__testclinicfunctionality=yes
+else
+  py_cv_module__testclinicfunctionality=missing
+fi
+else
+  py_cv_module__testclinicfunctionality=disabled
+fi
+
+fi
+  as_fn_append MODULE_BLOCK "MODULE__TESTCLINICFUNCTIONALITY_STATE=$py_cv_module__testclinicfunctionality$as_nl"
+  if test "x$py_cv_module__testclinicfunctionality" = xyes; then :
+
+
+
+
+fi
+   if test "$py_cv_module__testclinicfunctionality" = yes; then
+  MODULE__TESTCLINICFUNCTIONALITY_TRUE=
+  MODULE__TESTCLINICFUNCTIONALITY_FALSE='#'
+else
+  MODULE__TESTCLINICFUNCTIONALITY_TRUE='#'
+  MODULE__TESTCLINICFUNCTIONALITY_FALSE=
+fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__testclinicfunctionality" >&5
+$as_echo "$py_cv_module__testclinicfunctionality" >&6; }
+
+
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _testinternalcapi" >&5
 $as_echo_n "checking for stdlib extension module _testinternalcapi... " >&6; }
         if test "$py_cv_module__testinternalcapi" != "n/a"; then :
@@ -28344,6 +28380,10 @@ if test -z "${MODULE__TESTCAPI_TRUE}" && test -z "${MODULE__TESTCAPI_FALSE}"; th
   as_fn_error $? "conditional \"MODULE__TESTCAPI\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${MODULE__TESTCLINICFUNCTIONALITY_TRUE}" && test -z "${MODULE__TESTCLINICFUNCTIONALITY_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TESTCLINICFUNCTIONALITY\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${MODULE__TESTINTERNALCAPI_TRUE}" && test -z "${MODULE__TESTINTERNALCAPI_FALSE}"; then
   as_fn_error $? "conditional \"MODULE__TESTINTERNALCAPI\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
diff --git a/configure.ac b/configure.ac
index bb9fec07242f8e..2daf78d4cd07d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7301,6 +7301,7 @@ PY_STDLIB_MOD([_hashlib], [], [test "$ac_cv_working_openssl_hashlib" = yes],
 
 dnl test modules
 PY_STDLIB_MOD([_testcapi], [test "$TEST_MODULES" = yes])
+PY_STDLIB_MOD([_testclinicfunctionality], [test "$TEST_MODULES" = yes])
 PY_STDLIB_MOD([_testinternalcapi], [test "$TEST_MODULES" = yes])
 PY_STDLIB_MOD([_testbuffer], [test "$TEST_MODULES" = yes])
 PY_STDLIB_MOD([_testimportmultiple], [test "$TEST_MODULES" = yes], [test "$ac_cv_func_dlopen" = yes])

From 962434c9ca94eff00d54979caf6ba1cf07d5b5ae Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Tue, 23 Aug 2022 20:17:20 +0800
Subject: [PATCH 05/29] Add testcases written in C

---
 Lib/test/test_clinic_functionality.py       |  5 +++++
 Modules/_testclinicfunctionality.c          | 13 +++++++++++++
 Modules/clinic/_testclinicfunctionality.c.h | 19 ++++++++++++++++++-
 3 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/Lib/test/test_clinic_functionality.py b/Lib/test/test_clinic_functionality.py
index 0356a4437989b1..6bedd675875c26 100644
--- a/Lib/test/test_clinic_functionality.py
+++ b/Lib/test/test_clinic_functionality.py
@@ -14,3 +14,8 @@ def test_gh_32092_kw_pass(self):
         res = ac_tester.gh_32092_kw_pass(1, 2, 3)
         expect = (1, (2, 3), None)
         self.assertEqual(res, expect)
+
+
+class TestClinicFunctionalityC(unittest.TestCase):
+    locals().update((name, getattr(ac_tester, name))
+                    for name in dir(ac_tester) if name.startswith('test_'))
diff --git a/Modules/_testclinicfunctionality.c b/Modules/_testclinicfunctionality.c
index a23ba318a6cea4..58bfac6eb3f52f 100644
--- a/Modules/_testclinicfunctionality.c
+++ b/Modules/_testclinicfunctionality.c
@@ -16,6 +16,18 @@ module  _testclinicfunctionality
 [clinic start generated code]*/
 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=19bd80db1aefb188]*/
 
+/*[clinic input]
+test_empty_function
+
+[clinic start generated code]*/
+
+static PyObject *
+test_empty_function_impl(PyObject *module)
+/*[clinic end generated code: output=0f8aeb3ddced55cb input=0dd7048651ad4ae4]*/
+{
+    Py_RETURN_NONE;
+};
+
 /*[clinic input]
 gh_32092_oob
 
@@ -81,6 +93,7 @@ gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
 }
 
 static PyMethodDef tester_methods[] = {
+        TEST_EMPTY_FUNCTION_METHODDEF
         GH_32092_OOB_METHODDEF
         GH_32092_KW_PASS_METHODDEF
         {NULL, NULL}
diff --git a/Modules/clinic/_testclinicfunctionality.c.h b/Modules/clinic/_testclinicfunctionality.c.h
index 60c04a3ee96147..781546036cda7e 100644
--- a/Modules/clinic/_testclinicfunctionality.c.h
+++ b/Modules/clinic/_testclinicfunctionality.c.h
@@ -8,6 +8,23 @@ preserve
 #endif
 
 
+PyDoc_STRVAR(test_empty_function__doc__,
+"test_empty_function($module, /)\n"
+"--\n"
+"\n");
+
+#define TEST_EMPTY_FUNCTION_METHODDEF    \
+    {"test_empty_function", (PyCFunction)test_empty_function, METH_NOARGS, test_empty_function__doc__},
+
+static PyObject *
+test_empty_function_impl(PyObject *module);
+
+static PyObject *
+test_empty_function(PyObject *module, PyObject *Py_UNUSED(ignored))
+{
+    return test_empty_function_impl(module);
+}
+
 PyDoc_STRVAR(gh_32092_oob__doc__,
 "gh_32092_oob($module, /, pos1, pos2, *varargs, kw1=None, kw2=None)\n"
 "--\n"
@@ -162,4 +179,4 @@ gh_32092_kw_pass(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyOb
     Py_XDECREF(__clinic_args);
     return return_value;
 }
-/*[clinic end generated code: output=15c1dca3a5c1ae38 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=da33e7aa2f9377db input=a9049054013a1b77]*/

From b93b2aedfbb64501c653ce78bdfe9d0ffecacda8 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Tue, 25 Oct 2022 22:56:07 +0800
Subject: [PATCH 06/29] Rename _testclinicfunctionality.c to _testclinic.c

---
 Lib/test/test_clinic_functionality.py         |  2 +-
 Modules/Setup.stdlib.in                       |  2 +-
 ...estclinicfunctionality.c => _testclinic.c} | 14 +++----
 ...linicfunctionality.c.h => _testclinic.c.h} |  0
 Python/stdlib_module_names.h                  |  2 +-
 configure                                     | 38 +++++++++----------
 configure.ac                                  |  2 +-
 7 files changed, 30 insertions(+), 30 deletions(-)
 rename Modules/{_testclinicfunctionality.c => _testclinic.c} (87%)
 rename Modules/clinic/{_testclinicfunctionality.c.h => _testclinic.c.h} (100%)

diff --git a/Lib/test/test_clinic_functionality.py b/Lib/test/test_clinic_functionality.py
index 6bedd675875c26..7b1328b7920c09 100644
--- a/Lib/test/test_clinic_functionality.py
+++ b/Lib/test/test_clinic_functionality.py
@@ -1,7 +1,7 @@
 import unittest
 from test.support import import_helper
 
-ac_tester = import_helper.import_module('_testclinicfunctionality')
+ac_tester = import_helper.import_module('_testclinic')
 
 
 class TestClinicFunctionality(unittest.TestCase):
diff --git a/Modules/Setup.stdlib.in b/Modules/Setup.stdlib.in
index 1032522fb9c47d..345a7ac3097dad 100644
--- a/Modules/Setup.stdlib.in
+++ b/Modules/Setup.stdlib.in
@@ -170,7 +170,7 @@
 @MODULE__TESTBUFFER_TRUE@_testbuffer _testbuffer.c
 @MODULE__TESTINTERNALCAPI_TRUE@_testinternalcapi _testinternalcapi.c
 @MODULE__TESTCAPI_TRUE@_testcapi _testcapimodule.c _testcapi/vectorcall.c _testcapi/vectorcall_limited.c _testcapi/heaptype.c _testcapi/unicode.c
-@MODULE__TESTCLINICFUNCTIONALITY_TRUE@_testclinicfunctionality _testclinicfunctionality.c
+@MODULE__TESTCLINIC_TRUE@_testclinic _testclinic.c
 
 # Some testing modules MUST be built as shared libraries.
 *shared*
diff --git a/Modules/_testclinicfunctionality.c b/Modules/_testclinic.c
similarity index 87%
rename from Modules/_testclinicfunctionality.c
rename to Modules/_testclinic.c
index 58bfac6eb3f52f..481fd8a9de9744 100644
--- a/Modules/_testclinicfunctionality.c
+++ b/Modules/_testclinic.c
@@ -9,12 +9,12 @@
 
 #include "Python.h"
 
-#include "clinic/_testclinicfunctionality.c.h"
+#include "clinic/_testclinic.c.h"
 
 /*[clinic input]
-module  _testclinicfunctionality
+module  _testclinic
 [clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=19bd80db1aefb188]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=d4981b80d6efdb12]*/
 
 /*[clinic input]
 test_empty_function
@@ -99,9 +99,9 @@ static PyMethodDef tester_methods[] = {
         {NULL, NULL}
 };
 
-static struct PyModuleDef _testclinicfunctionality_module = {
+static struct PyModuleDef _testclinic_module = {
         PyModuleDef_HEAD_INIT,
-        "_testclinicfunctionality",
+        "_testclinic",
         NULL,
         0,
         tester_methods,
@@ -112,7 +112,7 @@ static struct PyModuleDef _testclinicfunctionality_module = {
 };
 
 PyMODINIT_FUNC
-PyInit__testclinicfunctionality(void)
+PyInit__testclinic(void)
 {
-    return PyModule_Create(&_testclinicfunctionality_module);
+    return PyModule_Create(&_testclinic_module);
 }
diff --git a/Modules/clinic/_testclinicfunctionality.c.h b/Modules/clinic/_testclinic.c.h
similarity index 100%
rename from Modules/clinic/_testclinicfunctionality.c.h
rename to Modules/clinic/_testclinic.c.h
diff --git a/Python/stdlib_module_names.h b/Python/stdlib_module_names.h
index c3423ed20a388c..67a4d01262e082 100644
--- a/Python/stdlib_module_names.h
+++ b/Python/stdlib_module_names.h
@@ -77,7 +77,7 @@ static const char* _Py_stdlib_module_names[] = {
 "_strptime",
 "_struct",
 "_symtable",
-"_testclinicfunctionality",
+"_testclinic",
 "_thread",
 "_threading_local",
 "_tkinter",
diff --git a/configure b/configure
index 21f005a51c02e5..494b022f251dd8 100755
--- a/configure
+++ b/configure
@@ -642,8 +642,8 @@ MODULE__TESTBUFFER_FALSE
 MODULE__TESTBUFFER_TRUE
 MODULE__TESTINTERNALCAPI_FALSE
 MODULE__TESTINTERNALCAPI_TRUE
-MODULE__TESTCLINICFUNCTIONALITY_FALSE
-MODULE__TESTCLINICFUNCTIONALITY_TRUE
+MODULE__TESTCLINIC_FALSE
+MODULE__TESTCLINIC_TRUE
 MODULE__TESTCAPI_FALSE
 MODULE__TESTCAPI_TRUE
 MODULE__HASHLIB_FALSE
@@ -27627,38 +27627,38 @@ fi
 $as_echo "$py_cv_module__testcapi" >&6; }
 
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _testclinicfunctionality" >&5
-$as_echo_n "checking for stdlib extension module _testclinicfunctionality... " >&6; }
-        if test "$py_cv_module__testclinicfunctionality" != "n/a"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _testclinic" >&5
+$as_echo_n "checking for stdlib extension module _testclinic... " >&6; }
+        if test "$py_cv_module__testclinic" != "n/a"; then :
 
     if test "$TEST_MODULES" = yes; then :
   if true; then :
-  py_cv_module__testclinicfunctionality=yes
+  py_cv_module__testclinic=yes
 else
-  py_cv_module__testclinicfunctionality=missing
+  py_cv_module__testclinic=missing
 fi
 else
-  py_cv_module__testclinicfunctionality=disabled
+  py_cv_module__testclinic=disabled
 fi
 
 fi
-  as_fn_append MODULE_BLOCK "MODULE__TESTCLINICFUNCTIONALITY_STATE=$py_cv_module__testclinicfunctionality$as_nl"
-  if test "x$py_cv_module__testclinicfunctionality" = xyes; then :
+  as_fn_append MODULE_BLOCK "MODULE__TESTCLINIC_STATE=$py_cv_module__testclinic$as_nl"
+  if test "x$py_cv_module__testclinic" = xyes; then :
 
 
 
 
 fi
-   if test "$py_cv_module__testclinicfunctionality" = yes; then
-  MODULE__TESTCLINICFUNCTIONALITY_TRUE=
-  MODULE__TESTCLINICFUNCTIONALITY_FALSE='#'
+   if test "$py_cv_module__testclinic" = yes; then
+  MODULE__TESTCLINIC_TRUE=
+  MODULE__TESTCLINIC_FALSE='#'
 else
-  MODULE__TESTCLINICFUNCTIONALITY_TRUE='#'
-  MODULE__TESTCLINICFUNCTIONALITY_FALSE=
+  MODULE__TESTCLINIC_TRUE='#'
+  MODULE__TESTCLINIC_FALSE=
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__testclinicfunctionality" >&5
-$as_echo "$py_cv_module__testclinicfunctionality" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__testclinic" >&5
+$as_echo "$py_cv_module__testclinic" >&6; }
 
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _testinternalcapi" >&5
@@ -28380,8 +28380,8 @@ if test -z "${MODULE__TESTCAPI_TRUE}" && test -z "${MODULE__TESTCAPI_FALSE}"; th
   as_fn_error $? "conditional \"MODULE__TESTCAPI\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
-if test -z "${MODULE__TESTCLINICFUNCTIONALITY_TRUE}" && test -z "${MODULE__TESTCLINICFUNCTIONALITY_FALSE}"; then
-  as_fn_error $? "conditional \"MODULE__TESTCLINICFUNCTIONALITY\" was never defined.
+if test -z "${MODULE__TESTCLINIC_TRUE}" && test -z "${MODULE__TESTCLINIC_FALSE}"; then
+  as_fn_error $? "conditional \"MODULE__TESTCLINIC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
 if test -z "${MODULE__TESTINTERNALCAPI_TRUE}" && test -z "${MODULE__TESTINTERNALCAPI_FALSE}"; then
diff --git a/configure.ac b/configure.ac
index 2daf78d4cd07d0..1d14fb310da5fa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7301,7 +7301,7 @@ PY_STDLIB_MOD([_hashlib], [], [test "$ac_cv_working_openssl_hashlib" = yes],
 
 dnl test modules
 PY_STDLIB_MOD([_testcapi], [test "$TEST_MODULES" = yes])
-PY_STDLIB_MOD([_testclinicfunctionality], [test "$TEST_MODULES" = yes])
+PY_STDLIB_MOD([_testclinic], [test "$TEST_MODULES" = yes])
 PY_STDLIB_MOD([_testinternalcapi], [test "$TEST_MODULES" = yes])
 PY_STDLIB_MOD([_testbuffer], [test "$TEST_MODULES" = yes])
 PY_STDLIB_MOD([_testimportmultiple], [test "$TEST_MODULES" = yes], [test "$ac_cv_func_dlopen" = yes])

From 35c5f137c0176fe9328af944e894245a24a6a49f Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Tue, 25 Oct 2022 23:02:48 +0800
Subject: [PATCH 07/29] Add _testclinic to stdlib IGNORE list

---
 Python/stdlib_module_names.h                  | 1 -
 Tools/scripts/generate_stdlib_module_names.py | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/Python/stdlib_module_names.h b/Python/stdlib_module_names.h
index 67a4d01262e082..b28156608d1b80 100644
--- a/Python/stdlib_module_names.h
+++ b/Python/stdlib_module_names.h
@@ -77,7 +77,6 @@ static const char* _Py_stdlib_module_names[] = {
 "_strptime",
 "_struct",
 "_symtable",
-"_testclinic",
 "_thread",
 "_threading_local",
 "_tkinter",
diff --git a/Tools/scripts/generate_stdlib_module_names.py b/Tools/scripts/generate_stdlib_module_names.py
index 92100bd06509a5..80fbf1e2ba6ea2 100644
--- a/Tools/scripts/generate_stdlib_module_names.py
+++ b/Tools/scripts/generate_stdlib_module_names.py
@@ -27,6 +27,7 @@
     '_ctypes_test',
     '_testbuffer',
     '_testcapi',
+    '_testclinic',
     '_testconsole',
     '_testimportmultiple',
     '_testinternalcapi',

From 86703dea483ef5d1d916ac39f82b44ea8ef8e5f9 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Tue, 25 Oct 2022 23:03:10 +0800
Subject: [PATCH 08/29] Merge TestClinicFunctionalityC class into
 TestClinicFunctionality

---
 Lib/test/test_clinic_functionality.py | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/Lib/test/test_clinic_functionality.py b/Lib/test/test_clinic_functionality.py
index 7b1328b7920c09..21926f2c7a6c92 100644
--- a/Lib/test/test_clinic_functionality.py
+++ b/Lib/test/test_clinic_functionality.py
@@ -5,6 +5,9 @@
 
 
 class TestClinicFunctionality(unittest.TestCase):
+    locals().update((name, getattr(ac_tester, name))
+                    for name in dir(ac_tester) if name.startswith('test_'))
+
     def test_gh_32092_oob(self):
         res = ac_tester.gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
         expect = (1, 2, (3, 4), 5, 6)
@@ -14,8 +17,3 @@ def test_gh_32092_kw_pass(self):
         res = ac_tester.gh_32092_kw_pass(1, 2, 3)
         expect = (1, (2, 3), None)
         self.assertEqual(res, expect)
-
-
-class TestClinicFunctionalityC(unittest.TestCase):
-    locals().update((name, getattr(ac_tester, name))
-                    for name in dir(ac_tester) if name.startswith('test_'))

From e66d60b68259b11ccd9c8decfb7b990680ecf6e4 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Tue, 25 Oct 2022 23:14:52 +0800
Subject: [PATCH 09/29] Format code in _testclinic.c

---
 Modules/_testclinic.c | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index 481fd8a9de9744..6c7da3157caa94 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -93,22 +93,17 @@ gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
 }
 
 static PyMethodDef tester_methods[] = {
-        TEST_EMPTY_FUNCTION_METHODDEF
-        GH_32092_OOB_METHODDEF
-        GH_32092_KW_PASS_METHODDEF
-        {NULL, NULL}
+    TEST_EMPTY_FUNCTION_METHODDEF
+    GH_32092_OOB_METHODDEF
+    GH_32092_KW_PASS_METHODDEF
+    {NULL, NULL}
 };
 
 static struct PyModuleDef _testclinic_module = {
-        PyModuleDef_HEAD_INIT,
-        "_testclinic",
-        NULL,
-        0,
-        tester_methods,
-        NULL,
-        NULL,
-        NULL,
-        NULL
+    PyModuleDef_HEAD_INIT,
+    .m_name = "_testclinic",
+    .m_size = 0,
+    .m_methods = tester_methods,
 };
 
 PyMODINIT_FUNC

From f1fb3778dd40e9ea7fc35547f53bf1744740ced0 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Wed, 26 Oct 2022 10:54:37 +0800
Subject: [PATCH 10/29] Merge test_clinic_functionality.py into test_clinic.py

---
 Lib/test/test_clinic.py               | 20 +++++++++++++++++++-
 Lib/test/test_clinic_functionality.py | 19 -------------------
 2 files changed, 19 insertions(+), 20 deletions(-)
 delete mode 100644 Lib/test/test_clinic_functionality.py

diff --git a/Lib/test/test_clinic.py b/Lib/test/test_clinic.py
index 4aa9691a4829d1..344068e18a7121 100644
--- a/Lib/test/test_clinic.py
+++ b/Lib/test/test_clinic.py
@@ -3,7 +3,7 @@
 # Licensed to the PSF under a contributor agreement.
 
 from test import support, test_tools
-from test.support import os_helper
+from test.support import import_helper, os_helper
 from unittest import TestCase
 import collections
 import inspect
@@ -820,5 +820,23 @@ def test_external(self):
         self.assertEqual(new_mtime_ns, old_mtime_ns)
 
 
+ac_tester = import_helper.import_module('_testclinic')
+
+
+class TestClinicFunctionality(unittest.TestCase):
+    locals().update((name, getattr(ac_tester, name))
+                    for name in dir(ac_tester) if name.startswith('test_'))
+
+    def test_gh_32092_oob(self):
+        res = ac_tester.gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
+        expect = (1, 2, (3, 4), 5, 6)
+        self.assertEqual(res, expect)
+
+    def test_gh_32092_kw_pass(self):
+        res = ac_tester.gh_32092_kw_pass(1, 2, 3)
+        expect = (1, (2, 3), None)
+        self.assertEqual(res, expect)
+
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/Lib/test/test_clinic_functionality.py b/Lib/test/test_clinic_functionality.py
deleted file mode 100644
index 21926f2c7a6c92..00000000000000
--- a/Lib/test/test_clinic_functionality.py
+++ /dev/null
@@ -1,19 +0,0 @@
-import unittest
-from test.support import import_helper
-
-ac_tester = import_helper.import_module('_testclinic')
-
-
-class TestClinicFunctionality(unittest.TestCase):
-    locals().update((name, getattr(ac_tester, name))
-                    for name in dir(ac_tester) if name.startswith('test_'))
-
-    def test_gh_32092_oob(self):
-        res = ac_tester.gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
-        expect = (1, 2, (3, 4), 5, 6)
-        self.assertEqual(res, expect)
-
-    def test_gh_32092_kw_pass(self):
-        res = ac_tester.gh_32092_kw_pass(1, 2, 3)
-        expect = (1, (2, 3), None)
-        self.assertEqual(res, expect)

From 449c8feccfa5d7cf9cc32edec58972436845e5b6 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Wed, 26 Oct 2022 10:56:24 +0800
Subject: [PATCH 11/29] Simplify testcases

---
 Modules/_testclinic.c          | 20 ++++----------------
 Modules/clinic/_testclinic.c.h |  8 +++-----
 2 files changed, 7 insertions(+), 21 deletions(-)

diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index 6c7da3157caa94..af07b80a7e88da 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -44,22 +44,15 @@ Array index out-of-bound bug in function
 
 Calling this function by gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
 to trigger this bug (crash).
-Expected return: (1, 2, (3, 4), 5, 6)
 
 [clinic start generated code]*/
 
 static PyObject *
 gh_32092_oob_impl(PyObject *module, PyObject *pos1, PyObject *pos2,
                   PyObject *varargs, PyObject *kw1, PyObject *kw2)
-/*[clinic end generated code: output=ee259c130054653f input=91d8e227acf93b02]*/
+/*[clinic end generated code: output=ee259c130054653f input=568c6276e3fdef62]*/
 {
-    PyObject *tuple = PyTuple_New(5);
-    PyTuple_SET_ITEM(tuple, 0, Py_NewRef(pos1));
-    PyTuple_SET_ITEM(tuple, 1, Py_NewRef(pos2));
-    PyTuple_SET_ITEM(tuple, 2, Py_NewRef(varargs));
-    PyTuple_SET_ITEM(tuple, 3, Py_NewRef(kw1));
-    PyTuple_SET_ITEM(tuple, 4, Py_NewRef(kw2));
-    return tuple;
+    Py_RETURN_NONE;
 }
 
 /*[clinic input]
@@ -76,20 +69,15 @@ The calculation of `noptargs` in AC-generated function
 
 Calling this function by gh_32092_kw_pass(1, 2, 3)
 to trigger this bug (crash).
-Expected return: (1, (2, 3), None)
 
 [clinic start generated code]*/
 
 static PyObject *
 gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
                       PyObject *kw)
-/*[clinic end generated code: output=4a2bbe4f7c8604e9 input=5fc48f72f49193b6]*/
+/*[clinic end generated code: output=4a2bbe4f7c8604e9 input=5bfe6191e1e7a2fb]*/
 {
-    PyObject *tuple = PyTuple_New(3);
-    PyTuple_SET_ITEM(tuple, 0, Py_NewRef(pos));
-    PyTuple_SET_ITEM(tuple, 1, Py_NewRef(args));
-    PyTuple_SET_ITEM(tuple, 2, Py_NewRef(kw));
-    return tuple;
+    Py_RETURN_NONE;
 }
 
 static PyMethodDef tester_methods[] = {
diff --git a/Modules/clinic/_testclinic.c.h b/Modules/clinic/_testclinic.c.h
index 781546036cda7e..599fcb46b8d769 100644
--- a/Modules/clinic/_testclinic.c.h
+++ b/Modules/clinic/_testclinic.c.h
@@ -35,8 +35,7 @@ PyDoc_STRVAR(gh_32092_oob__doc__,
 "`_PyArg_UnpackKeywordsWithVararg` .\n"
 "\n"
 "Calling this function by gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)\n"
-"to trigger this bug (crash).\n"
-"Expected return: (1, 2, (3, 4), 5, 6)");
+"to trigger this bug (crash).");
 
 #define GH_32092_OOB_METHODDEF    \
     {"gh_32092_oob", _PyCFunction_CAST(gh_32092_oob), METH_FASTCALL|METH_KEYWORDS, gh_32092_oob__doc__},
@@ -117,8 +116,7 @@ PyDoc_STRVAR(gh_32092_kw_pass__doc__,
 "`builtin_kw_pass_poc` is incorrect.\n"
 "\n"
 "Calling this function by gh_32092_kw_pass(1, 2, 3)\n"
-"to trigger this bug (crash).\n"
-"Expected return: (1, (2, 3), None)");
+"to trigger this bug (crash).");
 
 #define GH_32092_KW_PASS_METHODDEF    \
     {"gh_32092_kw_pass", _PyCFunction_CAST(gh_32092_kw_pass), METH_FASTCALL|METH_KEYWORDS, gh_32092_kw_pass__doc__},
@@ -179,4 +177,4 @@ gh_32092_kw_pass(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyOb
     Py_XDECREF(__clinic_args);
     return return_value;
 }
-/*[clinic end generated code: output=da33e7aa2f9377db input=a9049054013a1b77]*/
+/*[clinic end generated code: output=f1f47303a227104b input=a9049054013a1b77]*/

From 81fe77b826d6e4855d281b3620f6326606712ce1 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Fri, 28 Oct 2022 13:28:17 +0800
Subject: [PATCH 12/29] Add more testcases

---
 Include/internal/pycore_global_strings.h      |    3 +
 .../internal/pycore_runtime_init_generated.h  |   21 +
 Lib/test/test_clinic.py                       |  423 +++
 Modules/_testclinic.c                         |  973 ++++++-
 Modules/clinic/_testclinic.c.h                | 2531 ++++++++++++++++-
 5 files changed, 3949 insertions(+), 2 deletions(-)

diff --git a/Include/internal/pycore_global_strings.h b/Include/internal/pycore_global_strings.h
index 339f074cfd55d2..651d99b44f4ea0 100644
--- a/Include/internal/pycore_global_strings.h
+++ b/Include/internal/pycore_global_strings.h
@@ -260,6 +260,7 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(byteorder)
         STRUCT_FOR_ID(bytes)
         STRUCT_FOR_ID(bytes_per_sep)
+        STRUCT_FOR_ID(c)
         STRUCT_FOR_ID(c_call)
         STRUCT_FOR_ID(c_exception)
         STRUCT_FOR_ID(c_return)
@@ -306,6 +307,7 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(coro)
         STRUCT_FOR_ID(count)
         STRUCT_FOR_ID(cwd)
+        STRUCT_FOR_ID(d)
         STRUCT_FOR_ID(data)
         STRUCT_FOR_ID(database)
         STRUCT_FOR_ID(decode)
@@ -332,6 +334,7 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(dst)
         STRUCT_FOR_ID(dst_dir_fd)
         STRUCT_FOR_ID(duration)
+        STRUCT_FOR_ID(e)
         STRUCT_FOR_ID(effective_ids)
         STRUCT_FOR_ID(element_factory)
         STRUCT_FOR_ID(encode)
diff --git a/Include/internal/pycore_runtime_init_generated.h b/Include/internal/pycore_runtime_init_generated.h
index 27deeb1ee453a2..ed6fe616746937 100644
--- a/Include/internal/pycore_runtime_init_generated.h
+++ b/Include/internal/pycore_runtime_init_generated.h
@@ -769,6 +769,7 @@ extern "C" {
                 INIT_ID(byteorder), \
                 INIT_ID(bytes), \
                 INIT_ID(bytes_per_sep), \
+                INIT_ID(c), \
                 INIT_ID(c_call), \
                 INIT_ID(c_exception), \
                 INIT_ID(c_return), \
@@ -815,6 +816,7 @@ extern "C" {
                 INIT_ID(coro), \
                 INIT_ID(count), \
                 INIT_ID(cwd), \
+                INIT_ID(d), \
                 INIT_ID(data), \
                 INIT_ID(database), \
                 INIT_ID(decode), \
@@ -841,6 +843,7 @@ extern "C" {
                 INIT_ID(dst), \
                 INIT_ID(dst_dir_fd), \
                 INIT_ID(duration), \
+                INIT_ID(e), \
                 INIT_ID(effective_ids), \
                 INIT_ID(element_factory), \
                 INIT_ID(encode), \
@@ -1856,6 +1859,8 @@ _PyUnicode_InitStaticStrings(void) {
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(bytes_per_sep);
     PyUnicode_InternInPlace(&string);
+    string = &_Py_ID(c);
+    PyUnicode_InternInPlace(&string);
     string = &_Py_ID(c_call);
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(c_exception);
@@ -1948,6 +1953,8 @@ _PyUnicode_InitStaticStrings(void) {
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(cwd);
     PyUnicode_InternInPlace(&string);
+    string = &_Py_ID(d);
+    PyUnicode_InternInPlace(&string);
     string = &_Py_ID(data);
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(database);
@@ -2000,6 +2007,8 @@ _PyUnicode_InitStaticStrings(void) {
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(duration);
     PyUnicode_InternInPlace(&string);
+    string = &_Py_ID(e);
+    PyUnicode_InternInPlace(&string);
     string = &_Py_ID(effective_ids);
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(element_factory);
@@ -5651,6 +5660,10 @@ _PyStaticObjects_CheckRefcnt(void) {
         _PyObject_Dump((PyObject *)&_Py_ID(bytes_per_sep));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
     };
+    if (Py_REFCNT((PyObject *)&_Py_ID(c)) < _PyObject_IMMORTAL_REFCNT) {
+        _PyObject_Dump((PyObject *)&_Py_ID(c));
+        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
+    };
     if (Py_REFCNT((PyObject *)&_Py_ID(c_call)) < _PyObject_IMMORTAL_REFCNT) {
         _PyObject_Dump((PyObject *)&_Py_ID(c_call));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
@@ -5835,6 +5848,10 @@ _PyStaticObjects_CheckRefcnt(void) {
         _PyObject_Dump((PyObject *)&_Py_ID(cwd));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
     };
+    if (Py_REFCNT((PyObject *)&_Py_ID(d)) < _PyObject_IMMORTAL_REFCNT) {
+        _PyObject_Dump((PyObject *)&_Py_ID(d));
+        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
+    };
     if (Py_REFCNT((PyObject *)&_Py_ID(data)) < _PyObject_IMMORTAL_REFCNT) {
         _PyObject_Dump((PyObject *)&_Py_ID(data));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
@@ -5939,6 +5956,10 @@ _PyStaticObjects_CheckRefcnt(void) {
         _PyObject_Dump((PyObject *)&_Py_ID(duration));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
     };
+    if (Py_REFCNT((PyObject *)&_Py_ID(e)) < _PyObject_IMMORTAL_REFCNT) {
+        _PyObject_Dump((PyObject *)&_Py_ID(e));
+        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
+    };
     if (Py_REFCNT((PyObject *)&_Py_ID(effective_ids)) < _PyObject_IMMORTAL_REFCNT) {
         _PyObject_Dump((PyObject *)&_Py_ID(effective_ids));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
diff --git a/Lib/test/test_clinic.py b/Lib/test/test_clinic.py
index 7d717e033b8a18..f34d02f13b22d1 100644
--- a/Lib/test/test_clinic.py
+++ b/Lib/test/test_clinic.py
@@ -827,6 +827,429 @@ class TestClinicFunctionality(unittest.TestCase):
     locals().update((name, getattr(ac_tester, name))
                     for name in dir(ac_tester) if name.startswith('test_'))
 
+    def test_objects_converter(self):
+        with self.assertRaises(TypeError):
+            ac_tester.objects_converter()
+        self.assertEqual(ac_tester.objects_converter(1, 2), (1, 2))
+        self.assertEqual(ac_tester.objects_converter([], 'whatever class'), ([], 'whatever class'))
+        self.assertEqual(ac_tester.objects_converter(1), (1, None))
+
+    def test_bytes_object_converter(self):
+        with self.assertRaises(TypeError):
+            ac_tester.bytes_object_converter(1)
+        self.assertEqual(ac_tester.bytes_object_converter(b'BytesObject'), (b'BytesObject', ))
+
+    def test_byte_array_object_converter(self):
+        with self.assertRaises(TypeError):
+            ac_tester.byte_array_object_converter(1)
+        byte_arr = bytearray(b'ByteArrayObject')
+        self.assertEqual(ac_tester.byte_array_object_converter(byte_arr), (byte_arr, ))
+
+    def test_unicode_converter(self):
+        with self.assertRaises(TypeError):
+            ac_tester.unicode_converter(1)
+        self.assertEqual(ac_tester.unicode_converter('unicode'), ('unicode', ))
+
+    def test_bool_converter(self):
+        with self.assertRaises(TypeError):
+            ac_tester.bool_converter(False, False, 'not a int')
+        self.assertEqual(ac_tester.bool_converter(), (True, True, True))
+        self.assertEqual(ac_tester.bool_converter('', [], 5), (False, False, True))
+        self.assertEqual(ac_tester.bool_converter(('not empty', ), {1: 2}, 0), (True, True, False))
+
+    def test_char_converter(self):
+        with self.assertRaises(TypeError):
+            ac_tester.char_converter(1)
+        with self.assertRaises(TypeError):
+            ac_tester.char_converter(b'ab')
+        chars = [b'A', b'\a', b'\b', b'\t', b'\n', b'\v', b'\f', b'\r', b'"', b"'", b'?', b'\\', b'\000', b'\377']
+        expected = tuple([ord(c) for c in chars])
+        self.assertEqual(ac_tester.char_converter(), expected)
+        chars = [b'1', b'2', b'3', b'4', b'5', b'6', b'7', b'8', b'9', b'0', b'a', b'b', b'c', b'd']
+        expected = tuple([ord(c) for c in chars])
+        self.assertEqual(ac_tester.char_converter(*chars), expected)
+
+    def test_unsigned_char_converter(self):
+        from _testcapi import UCHAR_MAX
+        with self.assertRaises(OverflowError):
+            ac_tester.unsigned_char_converter(-1)
+        with self.assertRaises(OverflowError):
+            ac_tester.unsigned_char_converter(UCHAR_MAX + 1)
+        with self.assertRaises(OverflowError):
+            ac_tester.unsigned_char_converter(0, UCHAR_MAX + 1)
+        with self.assertRaises(TypeError):
+            ac_tester.unsigned_char_converter([])
+        self.assertEqual(ac_tester.unsigned_char_converter(), (12, 34, 56))
+        self.assertEqual(ac_tester.unsigned_char_converter(0, 0, UCHAR_MAX + 1), (0, 0, 0))
+        self.assertEqual(ac_tester.unsigned_char_converter(0, 0, (UCHAR_MAX + 1) * 3 + 123), (0, 0, 123))
+
+    def test_short_converter(self):
+        from _testcapi import SHRT_MIN, SHRT_MAX
+        with self.assertRaises(OverflowError):
+            ac_tester.short_converter(SHRT_MIN - 1)
+        with self.assertRaises(OverflowError):
+            ac_tester.short_converter(SHRT_MAX + 1)
+        with self.assertRaises(TypeError):
+            ac_tester.short_converter([])
+        self.assertEqual(ac_tester.short_converter(-1234), (-1234, ))
+        self.assertEqual(ac_tester.short_converter(4321), (4321, ))
+
+    def test_unsigned_short_converter(self):
+        from _testcapi import USHRT_MAX
+        with self.assertRaises(ValueError):
+            ac_tester.unsigned_short_converter(-1)
+        with self.assertRaises(OverflowError):
+            ac_tester.unsigned_short_converter(USHRT_MAX + 1)
+        with self.assertRaises(OverflowError):
+            ac_tester.unsigned_short_converter(0, USHRT_MAX + 1)
+        with self.assertRaises(TypeError):
+            ac_tester.unsigned_short_converter([])
+        self.assertEqual(ac_tester.unsigned_short_converter(), (12, 34, 56))
+        self.assertEqual(ac_tester.unsigned_short_converter(0, 0, USHRT_MAX + 1), (0, 0, 0))
+        self.assertEqual(ac_tester.unsigned_short_converter(0, 0, (USHRT_MAX + 1) * 3 + 123), (0, 0, 123))
+
+    def test_int_converter(self):
+        from _testcapi import INT_MIN, INT_MAX
+        with self.assertRaises(OverflowError):
+            ac_tester.int_converter(INT_MIN - 1)
+        with self.assertRaises(OverflowError):
+            ac_tester.int_converter(INT_MAX + 1)
+        with self.assertRaises(TypeError):
+            ac_tester.int_converter(1, 2, 3)
+        with self.assertRaises(TypeError):
+            ac_tester.int_converter([])
+        self.assertEqual(ac_tester.int_converter(), (12, 34, 45))
+        self.assertEqual(ac_tester.int_converter(1, 2, '3'), (1, 2, ord('3')))
+
+    def test_unsigned_int_converter(self):
+        from _testcapi import UINT_MAX
+        with self.assertRaises(ValueError):
+            ac_tester.unsigned_int_converter(-1)
+        with self.assertRaises(OverflowError):
+            ac_tester.unsigned_int_converter(UINT_MAX + 1)
+        with self.assertRaises(OverflowError):
+            ac_tester.unsigned_int_converter(0, UINT_MAX + 1)
+        with self.assertRaises(TypeError):
+            ac_tester.unsigned_int_converter([])
+        self.assertEqual(ac_tester.unsigned_int_converter(), (12, 34, 56))
+        self.assertEqual(ac_tester.unsigned_int_converter(0, 0, UINT_MAX + 1), (0, 0, 0))
+        self.assertEqual(ac_tester.unsigned_int_converter(0, 0, (UINT_MAX + 1) * 3 + 123), (0, 0, 123))
+
+    def test_long_converter(self):
+        from _testcapi import LONG_MIN, LONG_MAX
+        with self.assertRaises(OverflowError):
+            ac_tester.long_converter(LONG_MIN - 1)
+        with self.assertRaises(OverflowError):
+            ac_tester.long_converter(LONG_MAX + 1)
+        with self.assertRaises(TypeError):
+            ac_tester.long_converter([])
+        self.assertEqual(ac_tester.long_converter(), (12, ))
+        self.assertEqual(ac_tester.long_converter(-1234), (-1234, ))
+
+    def test_unsigned_long_converter(self):
+        from _testcapi import ULONG_MAX
+        with self.assertRaises(ValueError):
+            ac_tester.unsigned_long_converter(-1)
+        with self.assertRaises(OverflowError):
+            ac_tester.unsigned_long_converter(ULONG_MAX + 1)
+        with self.assertRaises(OverflowError):
+            ac_tester.unsigned_long_converter(0, ULONG_MAX + 1)
+        with self.assertRaises(TypeError):
+            ac_tester.unsigned_long_converter([])
+        self.assertEqual(ac_tester.unsigned_long_converter(), (12, 34, 56))
+        self.assertEqual(ac_tester.unsigned_long_converter(0, 0, ULONG_MAX + 1), (0, 0, 0))
+        self.assertEqual(ac_tester.unsigned_long_converter(0, 0, (ULONG_MAX + 1) * 3 + 123), (0, 0, 123))
+
+    def test_long_long_converter(self):
+        from _testcapi import LLONG_MIN, LLONG_MAX
+        with self.assertRaises(OverflowError):
+            ac_tester.long_long_converter(LLONG_MIN - 1)
+        with self.assertRaises(OverflowError):
+            ac_tester.long_long_converter(LLONG_MAX + 1)
+        with self.assertRaises(TypeError):
+            ac_tester.long_long_converter([])
+        self.assertEqual(ac_tester.long_long_converter(), (12, ))
+        self.assertEqual(ac_tester.long_long_converter(-1234), (-1234, ))
+
+    def test_unsigned_long_long_converter(self):
+        from _testcapi import ULLONG_MAX
+        with self.assertRaises(ValueError):
+            ac_tester.unsigned_long_long_converter(-1)
+        with self.assertRaises(OverflowError):
+            ac_tester.unsigned_long_long_converter(ULLONG_MAX + 1)
+        with self.assertRaises(OverflowError):
+            ac_tester.unsigned_long_long_converter(0, ULLONG_MAX + 1)
+        with self.assertRaises(TypeError):
+            ac_tester.unsigned_long_long_converter([])
+        self.assertEqual(ac_tester.unsigned_long_long_converter(), (12, 34, 56))
+        self.assertEqual(ac_tester.unsigned_long_long_converter(0, 0, ULLONG_MAX + 1), (0, 0, 0))
+        self.assertEqual(ac_tester.unsigned_long_long_converter(0, 0, (ULLONG_MAX + 1) * 3 + 123), (0, 0, 123))
+
+    def test_py_ssize_t_converter(self):
+        from _testcapi import PY_SSIZE_T_MIN, PY_SSIZE_T_MAX
+        with self.assertRaises(OverflowError):
+            ac_tester.py_ssize_t_converter(PY_SSIZE_T_MIN - 1)
+        with self.assertRaises(OverflowError):
+            ac_tester.py_ssize_t_converter(PY_SSIZE_T_MAX + 1)
+        with self.assertRaises(TypeError):
+            ac_tester.py_ssize_t_converter([])
+        self.assertEqual(ac_tester.py_ssize_t_converter(), (12, 34, 56))
+        self.assertEqual(ac_tester.py_ssize_t_converter(1, 2, None), (1, 2, 56))
+
+    def test_slice_index_converter(self):
+        from _testcapi import PY_SSIZE_T_MIN, PY_SSIZE_T_MAX
+        with self.assertRaises(TypeError):
+            ac_tester.slice_index_converter([])
+        self.assertEqual(ac_tester.slice_index_converter(), (12, 34, 56))
+        self.assertEqual(ac_tester.slice_index_converter(1, 2, None), (1, 2, 56))
+        self.assertEqual(ac_tester.slice_index_converter(PY_SSIZE_T_MAX, PY_SSIZE_T_MAX + 1, PY_SSIZE_T_MAX + 1234),
+                         (PY_SSIZE_T_MAX, PY_SSIZE_T_MAX, PY_SSIZE_T_MAX))
+        self.assertEqual(ac_tester.slice_index_converter(PY_SSIZE_T_MIN, PY_SSIZE_T_MIN - 1, PY_SSIZE_T_MIN - 1234),
+                         (PY_SSIZE_T_MIN, PY_SSIZE_T_MIN, PY_SSIZE_T_MIN))
+
+    def test_size_t_converter(self):
+        with self.assertRaises(ValueError):
+            ac_tester.size_t_converter(-1)
+        with self.assertRaises(TypeError):
+            ac_tester.size_t_converter([])
+        self.assertEqual(ac_tester.size_t_converter(), (12, ))
+
+    def test_float_converter(self):
+        with self.assertRaises(TypeError):
+            ac_tester.float_converter([])
+        self.assertEqual(ac_tester.float_converter(), (12.5, ))
+        self.assertEqual(ac_tester.float_converter(-0.5), (-0.5, ))
+
+    def test_double_converter(self):
+        with self.assertRaises(TypeError):
+            ac_tester.double_converter([])
+        self.assertEqual(ac_tester.double_converter(), (12.5, ))
+        self.assertEqual(ac_tester.double_converter(-0.5), (-0.5, ))
+
+    def test_py_complex_converter(self):
+        with self.assertRaises(TypeError):
+            ac_tester.py_complex_converter([])
+        self.assertEqual(ac_tester.py_complex_converter(complex(1, 2)), (complex(1, 2), ))
+        self.assertEqual(ac_tester.py_complex_converter(complex('-1-2j')), (complex('-1-2j'), ))
+        self.assertEqual(ac_tester.py_complex_converter(-0.5), (-0.5, ))
+        self.assertEqual(ac_tester.py_complex_converter(10), (10, ))
+
+    def test_str_converter(self):
+        with self.assertRaises(TypeError):
+            ac_tester.str_converter(1)
+        with self.assertRaises(TypeError):
+            ac_tester.str_converter('a', 'b', 'c')
+        with self.assertRaises(ValueError):
+            ac_tester.str_converter('a', b'b\0b', 'c')
+        self.assertEqual(ac_tester.str_converter('a', b'b', 'c'), ('a', 'b', 'c'))
+        self.assertEqual(ac_tester.str_converter('a', b'b', b'c'), ('a', 'b', 'c'))
+        self.assertEqual(ac_tester.str_converter('a', b'b', 'c\0c'), ('a', 'b', 'c\0c'))
+
+    def test_str_converter_encoding(self):
+        with self.assertRaises(TypeError):
+            ac_tester.str_converter_encoding(1)
+        self.assertEqual(ac_tester.str_converter_encoding('a', 'b', 'c'), ('a', 'b', 'c'))
+        with self.assertRaises(ValueError):
+            ac_tester.str_converter_encoding('a', b'b\0b', 'c')
+        self.assertEqual(ac_tester.str_converter_encoding('a', b'b', bytearray([ord('c')])), ('a', 'b', 'c'))
+        self.assertEqual(ac_tester.str_converter_encoding('a', b'b', bytearray([ord('c'), 0, ord('c')])),
+                         ('a', 'b', 'c\x00c'))
+        self.assertEqual(ac_tester.str_converter_encoding('a', b'b', b'c\x00c'), ('a', 'b', 'c\x00c'))
+
+    def test_py_buffer_converter(self):
+        with self.assertRaises(TypeError):
+            ac_tester.py_buffer_converter('a', 'b')
+        self.assertEqual(ac_tester.py_buffer_converter('abc', bytearray([1, 2, 3])), (b'abc', b'\x01\x02\x03'))
+
+    def test_keywords(self):
+        self.assertEqual(ac_tester.keywords(1, 2), (1, 2))
+        self.assertEqual(ac_tester.keywords(1, b=2), (1, 2))
+        self.assertEqual(ac_tester.keywords(a=1, b=2), (1, 2))
+
+    def test_keywords_kwonly(self):
+        with self.assertRaises(TypeError):
+            ac_tester.keywords_kwonly(1, 2)
+        self.assertEqual(ac_tester.keywords_kwonly(1, b=2), (1, 2))
+        self.assertEqual(ac_tester.keywords_kwonly(a=1, b=2), (1, 2))
+
+    def test_keywords_opt(self):
+        self.assertEqual(ac_tester.keywords_opt(1), (1, None, None))
+        self.assertEqual(ac_tester.keywords_opt(1, 2), (1, 2, None))
+        self.assertEqual(ac_tester.keywords_opt(1, 2, 3), (1, 2, 3))
+        self.assertEqual(ac_tester.keywords_opt(1, b=2), (1, 2, None))
+        self.assertEqual(ac_tester.keywords_opt(1, 2, c=3), (1, 2, 3))
+        self.assertEqual(ac_tester.keywords_opt(a=1, c=3), (1, None, 3))
+        self.assertEqual(ac_tester.keywords_opt(a=1, b=2, c=3), (1, 2, 3))
+
+    def test_keywords_opt_kwonly(self):
+        self.assertEqual(ac_tester.keywords_opt_kwonly(1), (1, None, None, None))
+        self.assertEqual(ac_tester.keywords_opt_kwonly(1, 2), (1, 2, None, None))
+        with self.assertRaises(TypeError):
+            ac_tester.keywords_opt_kwonly(1, 2, 3)
+        self.assertEqual(ac_tester.keywords_opt_kwonly(1, b=2), (1, 2, None, None))
+        self.assertEqual(ac_tester.keywords_opt_kwonly(1, 2, c=3), (1, 2, 3, None))
+        self.assertEqual(ac_tester.keywords_opt_kwonly(a=1, c=3), (1, None, 3, None))
+        self.assertEqual(ac_tester.keywords_opt_kwonly(a=1, b=2, c=3, d=4), (1, 2, 3, 4))
+
+    def test_keywords_kwonly_opt(self):
+        self.assertEqual(ac_tester.keywords_kwonly_opt(1), (1, None, None))
+        with self.assertRaises(TypeError):
+            ac_tester.keywords_kwonly_opt(1, 2)
+        self.assertEqual(ac_tester.keywords_kwonly_opt(1, b=2), (1, 2, None))
+        self.assertEqual(ac_tester.keywords_kwonly_opt(a=1, c=3), (1, None, 3))
+        self.assertEqual(ac_tester.keywords_kwonly_opt(a=1, b=2, c=3), (1, 2, 3))
+
+    def test_posonly_keywords(self):
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords(1)
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords(a=1, b=2)
+        self.assertEqual(ac_tester.posonly_keywords(1, 2), (1, 2))
+        self.assertEqual(ac_tester.posonly_keywords(1, b=2), (1, 2))
+
+    def test_posonly_kwonly(self):
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_kwonly(1)
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_kwonly(1, 2)
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_kwonly(a=1, b=2)
+        self.assertEqual(ac_tester.posonly_kwonly(1, b=2), (1, 2))
+
+    def test_posonly_keywords_kwonly(self):
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_kwonly(1)
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_kwonly(1, 2, 3)
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_kwonly(a=1, b=2, c=3)
+        self.assertEqual(ac_tester.posonly_keywords_kwonly(1, 2, c=3), (1, 2, 3))
+        self.assertEqual(ac_tester.posonly_keywords_kwonly(1, b=2, c=3), (1, 2, 3))
+
+    def test_posonly_keywords_opt(self):
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_opt(1)
+        self.assertEqual(ac_tester.posonly_keywords_opt(1, 2), (1, 2, None, None))
+        self.assertEqual(ac_tester.posonly_keywords_opt(1, 2, 3), (1, 2, 3, None))
+        self.assertEqual(ac_tester.posonly_keywords_opt(1, 2, 3, 4), (1, 2, 3, 4))
+        self.assertEqual(ac_tester.posonly_keywords_opt(1, b=2), (1, 2, None, None))
+        self.assertEqual(ac_tester.posonly_keywords_opt(1, 2, c=3), (1, 2, 3, None))
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_opt(a=1, b=2, c=3, d=4)
+        self.assertEqual(ac_tester.posonly_keywords_opt(1, b=2, c=3, d=4), (1, 2, 3, 4))
+
+    def test_posonly_opt_keywords_opt(self):
+        self.assertEqual(ac_tester.posonly_opt_keywords_opt(1), (1, None, None, None))
+        self.assertEqual(ac_tester.posonly_opt_keywords_opt(1, 2), (1, 2, None, None))
+        self.assertEqual(ac_tester.posonly_opt_keywords_opt(1, 2, 3), (1, 2, 3, None))
+        self.assertEqual(ac_tester.posonly_opt_keywords_opt(1, 2, 3, 4), (1, 2, 3, 4))
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_opt_keywords_opt(1, b=2)
+        self.assertEqual(ac_tester.posonly_opt_keywords_opt(1, 2, c=3), (1, 2, 3, None))
+        self.assertEqual(ac_tester.posonly_opt_keywords_opt(1, 2, c=3, d=4), (1, 2, 3, 4))
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_opt_keywords_opt(a=1, b=2, c=3, d=4)
+
+    def test_posonly_kwonly_opt(self):
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_kwonly_opt(1)
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_kwonly_opt(1, 2)
+        self.assertEqual(ac_tester.posonly_kwonly_opt(1, b=2), (1, 2, None, None))
+        self.assertEqual(ac_tester.posonly_kwonly_opt(1, b=2, c=3), (1, 2, 3, None))
+        self.assertEqual(ac_tester.posonly_kwonly_opt(1, b=2, c=3, d=4), (1, 2, 3, 4))
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_kwonly_opt(a=1, b=2, c=3, d=4)
+
+    def test_posonly_opt_kwonly_opt(self):
+        self.assertEqual(ac_tester.posonly_opt_kwonly_opt(1), (1, None, None, None))
+        self.assertEqual(ac_tester.posonly_opt_kwonly_opt(1, 2), (1, 2, None, None))
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_opt_kwonly_opt(1, 2, 3)
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_opt_kwonly_opt(1, b=2)
+        self.assertEqual(ac_tester.posonly_opt_kwonly_opt(1, 2, c=3), (1, 2, 3, None))
+        self.assertEqual(ac_tester.posonly_opt_kwonly_opt(1, 2, c=3, d=4), (1, 2, 3, 4))
+
+    def test_posonly_keywords_kwonly_opt(self):
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_kwonly_opt(1)
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_kwonly_opt(1, 2)
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_kwonly_opt(1, b=2)
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_kwonly_opt(1, 2, 3)
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_kwonly_opt(a=1, b=2, c=3)
+        self.assertEqual(ac_tester.posonly_keywords_kwonly_opt(1, 2, c=3), (1, 2, 3, None, None))
+        self.assertEqual(ac_tester.posonly_keywords_kwonly_opt(1, b=2, c=3), (1, 2, 3, None, None))
+        self.assertEqual(ac_tester.posonly_keywords_kwonly_opt(1, 2, c=3, d=4), (1, 2, 3, 4, None))
+        self.assertEqual(ac_tester.posonly_keywords_kwonly_opt(1, 2, c=3, d=4, e=5), (1, 2, 3, 4, 5))
+
+    def test_posonly_keywords_opt_kwonly_opt(self):
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_opt_kwonly_opt(1)
+        self.assertEqual(ac_tester.posonly_keywords_opt_kwonly_opt(1, 2), (1, 2, None, None, None))
+        self.assertEqual(ac_tester.posonly_keywords_opt_kwonly_opt(1, b=2), (1, 2, None, None, None))
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_opt_kwonly_opt(1, 2, 3, 4)
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_keywords_opt_kwonly_opt(a=1, b=2)
+        self.assertEqual(ac_tester.posonly_keywords_opt_kwonly_opt(1, 2, c=3), (1, 2, 3, None, None))
+        self.assertEqual(ac_tester.posonly_keywords_opt_kwonly_opt(1, b=2, c=3), (1, 2, 3, None, None))
+        self.assertEqual(ac_tester.posonly_keywords_opt_kwonly_opt(1, 2, 3, d=4), (1, 2, 3, 4, None))
+        self.assertEqual(ac_tester.posonly_keywords_opt_kwonly_opt(1, 2, c=3, d=4), (1, 2, 3, 4, None))
+        self.assertEqual(ac_tester.posonly_keywords_opt_kwonly_opt(1, 2, 3, d=4, e=5), (1, 2, 3, 4, 5))
+        self.assertEqual(ac_tester.posonly_keywords_opt_kwonly_opt(1, 2, c=3, d=4, e=5), (1, 2, 3, 4, 5))
+
+    def test_posonly_opt_keywords_opt_kwonly_opt(self):
+        self.assertEqual(ac_tester.posonly_opt_keywords_opt_kwonly_opt(1), (1, None, None, None))
+        self.assertEqual(ac_tester.posonly_opt_keywords_opt_kwonly_opt(1, 2), (1, 2, None, None))
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_opt_keywords_opt_kwonly_opt(1, b=2)
+        self.assertEqual(ac_tester.posonly_opt_keywords_opt_kwonly_opt(1, 2, 3), (1, 2, 3, None))
+        self.assertEqual(ac_tester.posonly_opt_keywords_opt_kwonly_opt(1, 2, c=3), (1, 2, 3, None))
+        self.assertEqual(ac_tester.posonly_opt_keywords_opt_kwonly_opt(1, 2, 3, d=4), (1, 2, 3, 4))
+        self.assertEqual(ac_tester.posonly_opt_keywords_opt_kwonly_opt(1, 2, c=3, d=4), (1, 2, 3, 4))
+        with self.assertRaises(TypeError):
+            ac_tester.posonly_opt_keywords_opt_kwonly_opt(1, 2, 3, 4)
+
+    def test_keyword_only_parameter(self):
+        with self.assertRaises(TypeError):
+            ac_tester.keyword_only_parameter()
+        with self.assertRaises(TypeError):
+            ac_tester.keyword_only_parameter(1)
+        self.assertEqual(ac_tester.keyword_only_parameter(a=1), (1, ))
+
+    def test_vararg_and_posonly(self):
+        with self.assertRaises(TypeError):
+            ac_tester.vararg_and_posonly()
+        with self.assertRaises(TypeError):
+            ac_tester.vararg_and_posonly(1, b=2)
+        self.assertEqual(ac_tester.vararg_and_posonly(1, 2, 3, 4), (1, (2, 3, 4)))
+
+    def test_vararg(self):
+        with self.assertRaises(TypeError):
+            ac_tester.vararg()
+        with self.assertRaises(TypeError):
+            ac_tester.vararg(1, b=2)
+        self.assertEqual(ac_tester.vararg(1, 2, 3, 4), (1, (2, 3, 4)))
+
+    def test_vararg_with_default(self):
+        with self.assertRaises(TypeError):
+            ac_tester.vararg_with_default()
+        self.assertEqual(ac_tester.vararg_with_default(1, b=False), (1, (), False))
+        self.assertEqual(ac_tester.vararg_with_default(1, 2, 3, 4), (1, (2, 3, 4), False))
+        self.assertEqual(ac_tester.vararg_with_default(1, 2, 3, 4, b=True), (1, (2, 3, 4), True))
+
+    def test_vararg_with_only_defaults(self):
+        self.assertEqual(ac_tester.vararg_with_only_defaults(), ((), None))
+        self.assertEqual(ac_tester.vararg_with_only_defaults(b=2), ((), 2))
+        self.assertEqual(ac_tester.vararg_with_only_defaults(1, b=2), ((1, ), 2))
+        self.assertEqual(ac_tester.vararg_with_only_defaults(1, 2, 3, 4), ((1, 2, 3, 4), None))
+        self.assertEqual(ac_tester.vararg_with_only_defaults(1, 2, 3, 4, b=5), ((1, 2, 3, 4), 5))
+
     def test_gh_32092_oob(self):
         res = ac_tester.gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
         expect = (1, 2, (3, 4), 5, 6)
diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index af07b80a7e88da..9e744080b335e7 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -11,11 +11,36 @@
 
 #include "clinic/_testclinic.c.h"
 
+PyObject *
+pack_arguments(int arg_num, ...) {
+    va_list vargs;
+    va_start(vargs, arg_num);
+    PyObject *tuple = PyTuple_New(arg_num);
+    for (int i = 0; i < arg_num; i++) {
+        PyObject *arg = va_arg(vargs, PyObject *);
+        if (arg) {
+            if (_PyObject_IsFreed(arg)) {
+                PyErr_Format(PyExc_AssertionError,
+                             "argument %d at %p is freed or corrupted!",
+                             i, arg);
+                return NULL;
+            }
+        } else {
+            arg = Py_None;
+        }
+        PyTuple_SET_ITEM(tuple, i, Py_NewRef(arg));
+    }
+    va_end(vargs);
+    return tuple;
+}
+
+
 /*[clinic input]
 module  _testclinic
 [clinic start generated code]*/
 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=d4981b80d6efdb12]*/
 
+
 /*[clinic input]
 test_empty_function
 
@@ -26,7 +51,907 @@ test_empty_function_impl(PyObject *module)
 /*[clinic end generated code: output=0f8aeb3ddced55cb input=0dd7048651ad4ae4]*/
 {
     Py_RETURN_NONE;
-};
+}
+
+
+/*[clinic input]
+objects_converter
+
+    a: object
+    b: object = NULL
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+objects_converter_impl(PyObject *module, PyObject *a, PyObject *b)
+/*[clinic end generated code: output=3f9c9415ec86c695 input=1533b1bd94187de4]*/
+{
+    return pack_arguments(2, a, b);
+}
+
+
+/*[clinic input]
+bytes_object_converter
+
+    a: PyBytesObject
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+bytes_object_converter_impl(PyObject *module, PyBytesObject *a)
+/*[clinic end generated code: output=7732da869d74b784 input=94211751e7996236]*/
+{
+    if (!PyBytes_Check(a)) {
+        PyErr_SetString(PyExc_AssertionError, "argument a is not a PyBytesObject");
+    }
+    return pack_arguments(1, a);
+}
+
+
+/*[clinic input]
+byte_array_object_converter
+
+    a: PyByteArrayObject
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+byte_array_object_converter_impl(PyObject *module, PyByteArrayObject *a)
+/*[clinic end generated code: output=51f15c76f302b1f7 input=b04d253db51c6f56]*/
+{
+    if (!PyByteArray_Check(a)) {
+        PyErr_SetString(PyExc_AssertionError, "argument a is not a PyByteArrayObject");
+    }
+    return pack_arguments(1, a);
+}
+
+
+/*[clinic input]
+unicode_converter
+
+    a: unicode
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+unicode_converter_impl(PyObject *module, PyObject *a)
+/*[clinic end generated code: output=1b4a4adbb6ac6e34 input=de7b5adbf07435ba]*/
+{
+    if (!PyUnicode_Check(a)) {
+        PyErr_SetString(PyExc_AssertionError, "argument a is not a unicode object");
+    }
+    return pack_arguments(1, a);
+}
+
+
+/*[clinic input]
+bool_converter
+
+    a: bool = True
+    b: bool(accept={object}) = True
+    c: bool(accept={int}) = True
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+bool_converter_impl(PyObject *module, int a, int b, int c)
+/*[clinic end generated code: output=17005b0c29afd590 input=7f6537705b2f32f4]*/
+{
+    if (!(a == 0 || a == 1)) {
+        PyErr_SetString(PyExc_AssertionError, "argument a is not a bool value");
+    }
+    if (!(a == 0 || a == 1)) {
+        PyErr_SetString(PyExc_AssertionError, "argument b is not a bool value");
+    }
+    if (!(a == 0 || a == 1)) {
+        PyErr_SetString(PyExc_AssertionError, "argument c is not a bool value");
+    }
+    PyObject *obj_a = a ? Py_True : Py_False;
+    PyObject *obj_b = b ? Py_True : Py_False;
+    PyObject *obj_c = c ? Py_True : Py_False;
+    return pack_arguments(3, obj_a, obj_b, obj_c);
+}
+
+
+/*[clinic input]
+char_converter
+
+    a: char = b'A'
+    b: char = b'\a'
+    c: char = b'\b'
+    d: char = b'\t'
+    e: char = b'\n'
+    f: char = b'\v'
+    g: char = b'\f'
+    h: char = b'\r'
+    i: char = b'"'
+    j: char = b"'"
+    k: char = b'?'
+    l: char = b'\\'
+    m: char = b'\000'
+    n: char = b'\377'
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+char_converter_impl(PyObject *module, char a, char b, char c, char d, char e,
+                    char f, char g, char h, char i, char j, char k, char l,
+                    char m, char n)
+/*[clinic end generated code: output=f929dbd2e55a9871 input=b601bc5bc7fe85e3]*/
+{
+    return pack_arguments(14,
+                          PyLong_FromUnsignedLong((unsigned char) a),
+                          PyLong_FromUnsignedLong((unsigned char) b),
+                          PyLong_FromUnsignedLong((unsigned char) c),
+                          PyLong_FromUnsignedLong((unsigned char) d),
+                          PyLong_FromUnsignedLong((unsigned char) e),
+                          PyLong_FromUnsignedLong((unsigned char) f),
+                          PyLong_FromUnsignedLong((unsigned char) g),
+                          PyLong_FromUnsignedLong((unsigned char) h),
+                          PyLong_FromUnsignedLong((unsigned char) i),
+                          PyLong_FromUnsignedLong((unsigned char) j),
+                          PyLong_FromUnsignedLong((unsigned char) k),
+                          PyLong_FromUnsignedLong((unsigned char) l),
+                          PyLong_FromUnsignedLong((unsigned char) m),
+                          PyLong_FromUnsignedLong((unsigned char) n));
+}
+
+
+/*[clinic input]
+unsigned_char_converter
+
+    a: unsigned_char = 12
+    b: unsigned_char(bitwise=False) = 34
+    c: unsigned_char(bitwise=True) = 56
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+unsigned_char_converter_impl(PyObject *module, unsigned char a,
+                             unsigned char b, unsigned char c)
+/*[clinic end generated code: output=490af3b39ce0b199 input=e859502fbe0b3185]*/
+{
+    return pack_arguments(3,
+                          PyLong_FromUnsignedLong(a),
+                          PyLong_FromUnsignedLong(b),
+                          PyLong_FromUnsignedLong(c));
+}
+
+
+/*[clinic input]
+short_converter
+
+    a: short = 12
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+short_converter_impl(PyObject *module, short a)
+/*[clinic end generated code: output=1ebb7ddb64248988 input=b4e2309a66f650ae]*/
+{
+    return pack_arguments(1, PyLong_FromLong(a));
+}
+
+
+/*[clinic input]
+unsigned_short_converter
+
+    a: unsigned_short = 12
+    b: unsigned_short(bitwise=False) = 34
+    c: unsigned_short(bitwise=True) = 56
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+unsigned_short_converter_impl(PyObject *module, unsigned short a,
+                              unsigned short b, unsigned short c)
+/*[clinic end generated code: output=5f92cc72fc8707a7 input=9d15cd11e741d0c6]*/
+{
+    return pack_arguments(3,
+                          PyLong_FromUnsignedLong(a),
+                          PyLong_FromUnsignedLong(b),
+                          PyLong_FromUnsignedLong(c));
+}
+
+
+/*[clinic input]
+int_converter
+
+    a: int = 12
+    b: int(accept={int}) = 34
+    c: int(accept={str}) = 45
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+int_converter_impl(PyObject *module, int a, int b, int c)
+/*[clinic end generated code: output=8e56b59be7d0c306 input=a1dbc6344853db7a]*/
+{
+    return pack_arguments(3,
+                          PyLong_FromLong(a),
+                          PyLong_FromLong(b),
+                          PyLong_FromLong(c));
+}
+
+
+/*[clinic input]
+unsigned_int_converter
+
+    a: unsigned_int = 12
+    b: unsigned_int(bitwise=False) = 34
+    c: unsigned_int(bitwise=True) = 56
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+unsigned_int_converter_impl(PyObject *module, unsigned int a, unsigned int b,
+                            unsigned int c)
+/*[clinic end generated code: output=399a57a05c494cc7 input=8427ed9a3f96272d]*/
+{
+    return pack_arguments(3,
+                          PyLong_FromUnsignedLong(a),
+                          PyLong_FromUnsignedLong(b),
+                          PyLong_FromUnsignedLong(c));
+}
+
+
+/*[clinic input]
+long_converter
+
+    a: long = 12
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+long_converter_impl(PyObject *module, long a)
+/*[clinic end generated code: output=9663d936a652707a input=84ad0ef28f24bd85]*/
+{
+    return pack_arguments(1, PyLong_FromLong(a));
+}
+
+
+/*[clinic input]
+unsigned_long_converter
+
+    a: unsigned_long = 12
+    b: unsigned_long(bitwise=False) = 34
+    c: unsigned_long(bitwise=True) = 56
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+unsigned_long_converter_impl(PyObject *module, unsigned long a,
+                             unsigned long b, unsigned long c)
+/*[clinic end generated code: output=120b82ea9ebd93a8 input=440dd6f1817f5d91]*/
+{
+    return pack_arguments(3,
+                          PyLong_FromUnsignedLong(a),
+                          PyLong_FromUnsignedLong(b),
+                          PyLong_FromUnsignedLong(c));
+}
+
+
+/*[clinic input]
+long_long_converter
+
+    a: long_long = 12
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+long_long_converter_impl(PyObject *module, long long a)
+/*[clinic end generated code: output=5fb5f2220770c3e1 input=730fcb3eecf4d993]*/
+{
+    return pack_arguments(1, PyLong_FromLongLong(a));
+}
+
+
+/*[clinic input]
+unsigned_long_long_converter
+
+    a: unsigned_long_long = 12
+    b: unsigned_long_long(bitwise=False) = 34
+    c: unsigned_long_long(bitwise=True) = 56
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+unsigned_long_long_converter_impl(PyObject *module, unsigned long long a,
+                                  unsigned long long b, unsigned long long c)
+/*[clinic end generated code: output=65b7273e63501762 input=300737b0bdb230e9]*/
+{
+    return pack_arguments(3,
+                          PyLong_FromUnsignedLongLong(a),
+                          PyLong_FromUnsignedLongLong(b),
+                          PyLong_FromUnsignedLongLong(c));
+}
+
+
+/*[clinic input]
+py_ssize_t_converter
+
+    a: Py_ssize_t = 12
+    b: Py_ssize_t(accept={int}) = 34
+    c: Py_ssize_t(accept={int, NoneType}) = 56
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+py_ssize_t_converter_impl(PyObject *module, Py_ssize_t a, Py_ssize_t b,
+                          Py_ssize_t c)
+/*[clinic end generated code: output=ce252143e0ed0372 input=76d0f342e9317a1f]*/
+{
+    return pack_arguments(3,
+                          PyLong_FromSsize_t(a),
+                          PyLong_FromSsize_t(b),
+                          PyLong_FromSsize_t(c));
+}
+
+
+/*[clinic input]
+slice_index_converter
+
+    a: slice_index = 12
+    b: slice_index(accept={int}) = 34
+    c: slice_index(accept={int, NoneType}) = 56
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+slice_index_converter_impl(PyObject *module, Py_ssize_t a, Py_ssize_t b,
+                           Py_ssize_t c)
+/*[clinic end generated code: output=923c6cac77666a6b input=64f99f3f83265e47]*/
+{
+    return pack_arguments(3,
+                          PyLong_FromSsize_t(a),
+                          PyLong_FromSsize_t(b),
+                          PyLong_FromSsize_t(c));
+}
+
+
+/*[clinic input]
+size_t_converter
+
+    a: size_t = 12
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+size_t_converter_impl(PyObject *module, size_t a)
+/*[clinic end generated code: output=412b5b7334ab444d input=83ae7d9171fbf208]*/
+{
+    return pack_arguments(1, PyLong_FromSize_t(a));
+}
+
+
+/*[clinic input]
+float_converter
+
+    a: float = 12.5
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+float_converter_impl(PyObject *module, float a)
+/*[clinic end generated code: output=1c98f64f2cf1d55c input=a625b59ad68047d8]*/
+{
+    return pack_arguments(1, PyFloat_FromDouble((double) a));
+}
+
+
+/*[clinic input]
+double_converter
+
+    a: double = 12.5
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+double_converter_impl(PyObject *module, double a)
+/*[clinic end generated code: output=a4e8532d284d035d input=098df188f24e7c62]*/
+{
+    return pack_arguments(1, PyFloat_FromDouble(a));
+}
+
+
+/*[clinic input]
+py_complex_converter
+
+    a: Py_complex
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+py_complex_converter_impl(PyObject *module, Py_complex a)
+/*[clinic end generated code: output=9e6ca2eb53b14846 input=e9148a8ca1dbf195]*/
+{
+    return pack_arguments(1, PyComplex_FromCComplex(a));
+}
+
+
+/*[clinic input]
+str_converter
+
+    a: str = "a"
+    b: str(accept={robuffer}) = "b"
+    c: str(accept={robuffer, str}, zeroes=True) = "c"
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+str_converter_impl(PyObject *module, const char *a, const char *b,
+                   const char *c, Py_ssize_t c_length)
+/*[clinic end generated code: output=475bea40548c8cd6 input=bff2656c92ee25de]*/
+{
+    return pack_arguments(3,
+                          PyUnicode_FromString(a),
+                          PyUnicode_FromString(b),
+                          PyUnicode_FromStringAndSize(c, c_length));
+}
+
+
+/*[clinic input]
+str_converter_encoding
+
+    a: str(encoding="idna")
+    b: str(encoding="idna", accept={bytes, bytearray, str})
+    c: str(encoding="idna", accept={bytes, bytearray, str}, zeroes=True)
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+str_converter_encoding_impl(PyObject *module, char *a, char *b, char *c,
+                            Py_ssize_t c_length)
+/*[clinic end generated code: output=af68766049248a1c input=0c5cf5159d0e870d]*/
+{
+    return pack_arguments(3,
+                          PyUnicode_FromString(a),
+                          PyUnicode_FromString(b),
+                          PyUnicode_FromStringAndSize(c, c_length));
+}
+
+
+/*[clinic input]
+py_buffer_converter
+
+    a: Py_buffer(accept={str, buffer, NoneType})
+    b: Py_buffer(accept={rwbuffer})
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+py_buffer_converter_impl(PyObject *module, Py_buffer *a, Py_buffer *b)
+/*[clinic end generated code: output=52fb13311e3d6d03 input=775de727de5c7421]*/
+{
+    PyObject *new_a = PyBytes_FromStringAndSize(NULL, a->len);
+    if (!new_a) {
+        Py_XDECREF(new_a);
+        return NULL;
+    }
+    if (PyBuffer_ToContiguous(((PyBytesObject *) new_a)->ob_sval, a, a->len, 'C') < 0) {
+        Py_XDECREF(new_a);
+        return NULL;
+    }
+    PyBuffer_Release(a);
+
+    PyObject *new_b = PyBytes_FromStringAndSize(NULL, b->len);
+    if (!new_b) {
+        Py_XDECREF(new_b);
+        return NULL;
+    }
+    if (PyBuffer_ToContiguous(((PyBytesObject *) new_b)->ob_sval, b, b->len, 'C') < 0) {
+        Py_XDECREF(new_b);
+        return NULL;
+    }
+    PyBuffer_Release(b);
+
+    return pack_arguments(2, new_a, new_b);
+}
+
+
+/*[clinic input]
+keywords
+
+    a: object
+    b: object
+
+[clinic start generated code]*/
+
+static PyObject *
+keywords_impl(PyObject *module, PyObject *a, PyObject *b)
+/*[clinic end generated code: output=850aaed53e26729e input=f44b89e718c1a93b]*/
+{
+    return pack_arguments(2, a, b);
+}
+
+
+/*[clinic input]
+keywords_kwonly
+
+    a: object
+    *
+    b: object
+
+[clinic start generated code]*/
+
+static PyObject *
+keywords_kwonly_impl(PyObject *module, PyObject *a, PyObject *b)
+/*[clinic end generated code: output=a45c48241da584dc input=1f08e39c3312b015]*/
+{
+    return pack_arguments(2, a, b);
+}
+
+
+/*[clinic input]
+keywords_opt
+
+    a: object
+    b: object = None
+    c: object = None
+
+[clinic start generated code]*/
+
+static PyObject *
+keywords_opt_impl(PyObject *module, PyObject *a, PyObject *b, PyObject *c)
+/*[clinic end generated code: output=25e4b67d91c76a66 input=b0ba0e4f04904556]*/
+{
+    return pack_arguments(3, a, b, c);
+}
+
+
+/*[clinic input]
+keywords_opt_kwonly
+
+    a: object
+    b: object = None
+    *
+    c: object = None
+    d: object = None
+
+[clinic start generated code]*/
+
+static PyObject *
+keywords_opt_kwonly_impl(PyObject *module, PyObject *a, PyObject *b,
+                         PyObject *c, PyObject *d)
+/*[clinic end generated code: output=6aa5b655a6e9aeb0 input=f79da689d6c51076]*/
+{
+    return pack_arguments(4, a, b, c, d);
+}
+
+
+/*[clinic input]
+keywords_kwonly_opt
+
+    a: object
+    *
+    b: object = None
+    c: object = None
+
+[clinic start generated code]*/
+
+static PyObject *
+keywords_kwonly_opt_impl(PyObject *module, PyObject *a, PyObject *b,
+                         PyObject *c)
+/*[clinic end generated code: output=707f78eb0f55c2b1 input=e0fa1a0e46dca791]*/
+{
+    return pack_arguments(3, a, b, c);
+}
+
+
+/*[clinic input]
+posonly_keywords
+
+    a: object
+    /
+    b: object
+
+[clinic start generated code]*/
+
+static PyObject *
+posonly_keywords_impl(PyObject *module, PyObject *a, PyObject *b)
+/*[clinic end generated code: output=6ac88f4a5f0bfc8d input=fde0a2f79fe82b06]*/
+{
+    return pack_arguments(2, a, b);
+}
+
+
+/*[clinic input]
+posonly_kwonly
+
+    a: object
+    /
+    *
+    b: object
+
+[clinic start generated code]*/
+
+static PyObject *
+posonly_kwonly_impl(PyObject *module, PyObject *a, PyObject *b)
+/*[clinic end generated code: output=483e6790d3482185 input=78b3712768da9a19]*/
+{
+    return pack_arguments(2, a, b);
+}
+
+
+/*[clinic input]
+posonly_keywords_kwonly
+
+    a: object
+    /
+    b: object
+    *
+    c: object
+
+[clinic start generated code]*/
+
+static PyObject *
+posonly_keywords_kwonly_impl(PyObject *module, PyObject *a, PyObject *b,
+                             PyObject *c)
+/*[clinic end generated code: output=2fae573e8cc3fad8 input=a1ad5d2295eb803c]*/
+{
+    return pack_arguments(3, a, b, c);
+}
+
+
+/*[clinic input]
+posonly_keywords_opt
+
+    a: object
+    /
+    b: object
+    c: object = None
+    d: object = None
+
+[clinic start generated code]*/
+
+static PyObject *
+posonly_keywords_opt_impl(PyObject *module, PyObject *a, PyObject *b,
+                          PyObject *c, PyObject *d)
+/*[clinic end generated code: output=f5eb66241bcf68fb input=51c10de2a120e279]*/
+{
+    return pack_arguments(4, a, b, c, d);
+}
+
+
+/*[clinic input]
+posonly_opt_keywords_opt
+
+    a: object
+    b: object = None
+    /
+    c: object = None
+    d: object = None
+
+[clinic start generated code]*/
+
+static PyObject *
+posonly_opt_keywords_opt_impl(PyObject *module, PyObject *a, PyObject *b,
+                              PyObject *c, PyObject *d)
+/*[clinic end generated code: output=d54a30e549296ffd input=f408a1de7dfaf31f]*/
+{
+    return pack_arguments(4, a, b, c, d);
+}
+
+
+/*[clinic input]
+posonly_kwonly_opt
+
+    a: object
+    /
+    *
+    b: object
+    c: object = None
+    d: object = None
+
+[clinic start generated code]*/
+
+static PyObject *
+posonly_kwonly_opt_impl(PyObject *module, PyObject *a, PyObject *b,
+                        PyObject *c, PyObject *d)
+/*[clinic end generated code: output=a20503fe36b4fd62 input=3494253975272f52]*/
+{
+    return pack_arguments(4, a, b, c, d);
+}
+
+
+/*[clinic input]
+posonly_opt_kwonly_opt
+
+    a: object
+    b: object = None
+    /
+    *
+    c: object = None
+    d: object = None
+
+[clinic start generated code]*/
+
+static PyObject *
+posonly_opt_kwonly_opt_impl(PyObject *module, PyObject *a, PyObject *b,
+                            PyObject *c, PyObject *d)
+/*[clinic end generated code: output=64f3204a3a0413b6 input=d17516581e478412]*/
+{
+    return pack_arguments(4, a, b, c, d);
+}
+
+
+/*[clinic input]
+posonly_keywords_kwonly_opt
+
+    a: object
+    /
+    b: object
+    *
+    c: object
+    d: object = None
+    e: object = None
+
+[clinic start generated code]*/
+
+static PyObject *
+posonly_keywords_kwonly_opt_impl(PyObject *module, PyObject *a, PyObject *b,
+                                 PyObject *c, PyObject *d, PyObject *e)
+/*[clinic end generated code: output=dbd7e7ddd6257fa0 input=33529f29e97e5adb]*/
+{
+    return pack_arguments(5, a, b, c, d, e);
+}
+
+
+/*[clinic input]
+posonly_keywords_opt_kwonly_opt
+
+    a: object
+    /
+    b: object
+    c: object = None
+    *
+    d: object = None
+    e: object = None
+
+[clinic start generated code]*/
+
+static PyObject *
+posonly_keywords_opt_kwonly_opt_impl(PyObject *module, PyObject *a,
+                                     PyObject *b, PyObject *c, PyObject *d,
+                                     PyObject *e)
+/*[clinic end generated code: output=775d12ae44653045 input=4d4cc62f11441301]*/
+{
+    return pack_arguments(5, a, b, c, d, e);
+}
+
+
+/*[clinic input]
+posonly_opt_keywords_opt_kwonly_opt
+
+    a: object
+    b: object = None
+    /
+    c: object = None
+    *
+    d: object = None
+
+[clinic start generated code]*/
+
+static PyObject *
+posonly_opt_keywords_opt_kwonly_opt_impl(PyObject *module, PyObject *a,
+                                         PyObject *b, PyObject *c,
+                                         PyObject *d)
+/*[clinic end generated code: output=40c6dc422591eade input=3964960a68622431]*/
+{
+    return pack_arguments(4, a, b, c, d);
+}
+
+
+/*[clinic input]
+keyword_only_parameter
+
+    *
+    a: object
+
+[clinic start generated code]*/
+
+static PyObject *
+keyword_only_parameter_impl(PyObject *module, PyObject *a)
+/*[clinic end generated code: output=c454b6ce98232787 input=8d2868b8d0b27bdb]*/
+{
+    return pack_arguments(1, a);
+}
+
+
+/*[clinic input]
+vararg_and_posonly
+
+    a: object
+    *args: object
+    /
+
+[clinic start generated code]*/
+
+static PyObject *
+vararg_and_posonly_impl(PyObject *module, PyObject *a, PyObject *args)
+/*[clinic end generated code: output=42792f799465a14d input=defe017b19ba52e8]*/
+{
+    return pack_arguments(2, a, Py_NewRef(args));
+}
+
+
+/*[clinic input]
+vararg
+
+    a: object
+    *args: object
+
+[clinic start generated code]*/
+
+static PyObject *
+vararg_impl(PyObject *module, PyObject *a, PyObject *args)
+/*[clinic end generated code: output=91ab7a0efc52dd5e input=02c0f772d05f591e]*/
+{
+    return pack_arguments(2, a, Py_NewRef(args));
+}
+
+
+/*[clinic input]
+vararg_with_default
+
+    a: object
+    *args: object
+    b: bool = False
+
+[clinic start generated code]*/
+
+static PyObject *
+vararg_with_default_impl(PyObject *module, PyObject *a, PyObject *args,
+                         int b)
+/*[clinic end generated code: output=182c01035958ce92 input=68cafa6a79f89e36]*/
+{
+    if (!(b == 0 || b == 1)) {
+        PyErr_SetString(PyExc_AssertionError, "argument b is not a bool value");
+    }
+    PyObject *obj_b = b ? Py_True : Py_False;
+    return pack_arguments(3, a, Py_NewRef(args), obj_b);
+}
+
+
+/*[clinic input]
+vararg_with_only_defaults
+
+    *args: object
+    b: object = None
+
+[clinic start generated code]*/
+
+static PyObject *
+vararg_with_only_defaults_impl(PyObject *module, PyObject *args, PyObject *b)
+/*[clinic end generated code: output=c06b1826d91f2f7b input=678c069bc67550e1]*/
+{
+    return pack_arguments(2, Py_NewRef(args), b);
+}
+
 
 /*[clinic input]
 gh_32092_oob
@@ -55,6 +980,7 @@ gh_32092_oob_impl(PyObject *module, PyObject *pos1, PyObject *pos2,
     Py_RETURN_NONE;
 }
 
+
 /*[clinic input]
 gh_32092_kw_pass
 
@@ -80,8 +1006,53 @@ gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
     Py_RETURN_NONE;
 }
 
+
 static PyMethodDef tester_methods[] = {
     TEST_EMPTY_FUNCTION_METHODDEF
+    OBJECTS_CONVERTER_METHODDEF
+    BYTES_OBJECT_CONVERTER_METHODDEF
+    BYTE_ARRAY_OBJECT_CONVERTER_METHODDEF
+    UNICODE_CONVERTER_METHODDEF
+    BOOL_CONVERTER_METHODDEF
+    CHAR_CONVERTER_METHODDEF
+    UNSIGNED_CHAR_CONVERTER_METHODDEF
+    SHORT_CONVERTER_METHODDEF
+    UNSIGNED_SHORT_CONVERTER_METHODDEF
+    INT_CONVERTER_METHODDEF
+    UNSIGNED_INT_CONVERTER_METHODDEF
+    LONG_CONVERTER_METHODDEF
+    UNSIGNED_LONG_CONVERTER_METHODDEF
+    LONG_LONG_CONVERTER_METHODDEF
+    UNSIGNED_LONG_LONG_CONVERTER_METHODDEF
+    PY_SSIZE_T_CONVERTER_METHODDEF
+    SLICE_INDEX_CONVERTER_METHODDEF
+    SIZE_T_CONVERTER_METHODDEF
+    FLOAT_CONVERTER_METHODDEF
+    DOUBLE_CONVERTER_METHODDEF
+    PY_COMPLEX_CONVERTER_METHODDEF
+    STR_CONVERTER_METHODDEF
+    STR_CONVERTER_ENCODING_METHODDEF
+    PY_BUFFER_CONVERTER_METHODDEF
+    KEYWORDS_METHODDEF
+    KEYWORDS_KWONLY_METHODDEF
+    KEYWORDS_OPT_METHODDEF
+    KEYWORDS_OPT_KWONLY_METHODDEF
+    KEYWORDS_KWONLY_OPT_METHODDEF
+    POSONLY_KEYWORDS_METHODDEF
+    POSONLY_KWONLY_METHODDEF
+    POSONLY_KEYWORDS_KWONLY_METHODDEF
+    POSONLY_KEYWORDS_OPT_METHODDEF
+    POSONLY_OPT_KEYWORDS_OPT_METHODDEF
+    POSONLY_KWONLY_OPT_METHODDEF
+    POSONLY_OPT_KWONLY_OPT_METHODDEF
+    POSONLY_KEYWORDS_KWONLY_OPT_METHODDEF
+    POSONLY_KEYWORDS_OPT_KWONLY_OPT_METHODDEF
+    POSONLY_OPT_KEYWORDS_OPT_KWONLY_OPT_METHODDEF
+    KEYWORD_ONLY_PARAMETER_METHODDEF
+    VARARG_AND_POSONLY_METHODDEF
+    VARARG_METHODDEF
+    VARARG_WITH_DEFAULT_METHODDEF
+    VARARG_WITH_ONLY_DEFAULTS_METHODDEF
     GH_32092_OOB_METHODDEF
     GH_32092_KW_PASS_METHODDEF
     {NULL, NULL}
diff --git a/Modules/clinic/_testclinic.c.h b/Modules/clinic/_testclinic.c.h
index 599fcb46b8d769..b3190fb7d67a54 100644
--- a/Modules/clinic/_testclinic.c.h
+++ b/Modules/clinic/_testclinic.c.h
@@ -25,6 +25,2535 @@ test_empty_function(PyObject *module, PyObject *Py_UNUSED(ignored))
     return test_empty_function_impl(module);
 }
 
+PyDoc_STRVAR(objects_converter__doc__,
+"objects_converter($module, a, b=<unrepresentable>, /)\n"
+"--\n"
+"\n");
+
+#define OBJECTS_CONVERTER_METHODDEF    \
+    {"objects_converter", _PyCFunction_CAST(objects_converter), METH_FASTCALL, objects_converter__doc__},
+
+static PyObject *
+objects_converter_impl(PyObject *module, PyObject *a, PyObject *b);
+
+static PyObject *
+objects_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    PyObject *a;
+    PyObject *b = NULL;
+
+    if (!_PyArg_CheckPositional("objects_converter", nargs, 1, 2)) {
+        goto exit;
+    }
+    a = args[0];
+    if (nargs < 2) {
+        goto skip_optional;
+    }
+    b = args[1];
+skip_optional:
+    return_value = objects_converter_impl(module, a, b);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bytes_object_converter__doc__,
+"bytes_object_converter($module, a, /)\n"
+"--\n"
+"\n");
+
+#define BYTES_OBJECT_CONVERTER_METHODDEF    \
+    {"bytes_object_converter", (PyCFunction)bytes_object_converter, METH_O, bytes_object_converter__doc__},
+
+static PyObject *
+bytes_object_converter_impl(PyObject *module, PyBytesObject *a);
+
+static PyObject *
+bytes_object_converter(PyObject *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    PyBytesObject *a;
+
+    if (!PyBytes_Check(arg)) {
+        _PyArg_BadArgument("bytes_object_converter", "argument", "bytes", arg);
+        goto exit;
+    }
+    a = (PyBytesObject *)arg;
+    return_value = bytes_object_converter_impl(module, a);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(byte_array_object_converter__doc__,
+"byte_array_object_converter($module, a, /)\n"
+"--\n"
+"\n");
+
+#define BYTE_ARRAY_OBJECT_CONVERTER_METHODDEF    \
+    {"byte_array_object_converter", (PyCFunction)byte_array_object_converter, METH_O, byte_array_object_converter__doc__},
+
+static PyObject *
+byte_array_object_converter_impl(PyObject *module, PyByteArrayObject *a);
+
+static PyObject *
+byte_array_object_converter(PyObject *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    PyByteArrayObject *a;
+
+    if (!PyByteArray_Check(arg)) {
+        _PyArg_BadArgument("byte_array_object_converter", "argument", "bytearray", arg);
+        goto exit;
+    }
+    a = (PyByteArrayObject *)arg;
+    return_value = byte_array_object_converter_impl(module, a);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unicode_converter__doc__,
+"unicode_converter($module, a, /)\n"
+"--\n"
+"\n");
+
+#define UNICODE_CONVERTER_METHODDEF    \
+    {"unicode_converter", (PyCFunction)unicode_converter, METH_O, unicode_converter__doc__},
+
+static PyObject *
+unicode_converter_impl(PyObject *module, PyObject *a);
+
+static PyObject *
+unicode_converter(PyObject *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    PyObject *a;
+
+    if (!PyUnicode_Check(arg)) {
+        _PyArg_BadArgument("unicode_converter", "argument", "str", arg);
+        goto exit;
+    }
+    if (PyUnicode_READY(arg) == -1) {
+        goto exit;
+    }
+    a = arg;
+    return_value = unicode_converter_impl(module, a);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(bool_converter__doc__,
+"bool_converter($module, a=True, b=True, c=True, /)\n"
+"--\n"
+"\n");
+
+#define BOOL_CONVERTER_METHODDEF    \
+    {"bool_converter", _PyCFunction_CAST(bool_converter), METH_FASTCALL, bool_converter__doc__},
+
+static PyObject *
+bool_converter_impl(PyObject *module, int a, int b, int c);
+
+static PyObject *
+bool_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    int a = 1;
+    int b = 1;
+    int c = 1;
+
+    if (!_PyArg_CheckPositional("bool_converter", nargs, 0, 3)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    a = PyObject_IsTrue(args[0]);
+    if (a < 0) {
+        goto exit;
+    }
+    if (nargs < 2) {
+        goto skip_optional;
+    }
+    b = PyObject_IsTrue(args[1]);
+    if (b < 0) {
+        goto exit;
+    }
+    if (nargs < 3) {
+        goto skip_optional;
+    }
+    c = _PyLong_AsInt(args[2]);
+    if (c == -1 && PyErr_Occurred()) {
+        goto exit;
+    }
+skip_optional:
+    return_value = bool_converter_impl(module, a, b, c);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(char_converter__doc__,
+"char_converter($module, a=b\'A\', b=b\'\\x07\', c=b\'\\x08\', d=b\'\\t\', e=b\'\\n\',\n"
+"               f=b\'\\x0b\', g=b\'\\x0c\', h=b\'\\r\', i=b\'\"\', j=b\"\'\", k=b\'?\',\n"
+"               l=b\'\\\\\', m=b\'\\x00\', n=b\'\\xff\', /)\n"
+"--\n"
+"\n");
+
+#define CHAR_CONVERTER_METHODDEF    \
+    {"char_converter", _PyCFunction_CAST(char_converter), METH_FASTCALL, char_converter__doc__},
+
+static PyObject *
+char_converter_impl(PyObject *module, char a, char b, char c, char d, char e,
+                    char f, char g, char h, char i, char j, char k, char l,
+                    char m, char n);
+
+static PyObject *
+char_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    char a = 'A';
+    char b = '\x07';
+    char c = '\x08';
+    char d = '\t';
+    char e = '\n';
+    char f = '\x0b';
+    char g = '\x0c';
+    char h = '\r';
+    char i = '"';
+    char j = '\'';
+    char k = '?';
+    char l = '\\';
+    char m = '\x00';
+    char n = '\xff';
+
+    if (!_PyArg_CheckPositional("char_converter", nargs, 0, 14)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[0]) && PyBytes_GET_SIZE(args[0]) == 1) {
+        a = PyBytes_AS_STRING(args[0])[0];
+    }
+    else if (PyByteArray_Check(args[0]) && PyByteArray_GET_SIZE(args[0]) == 1) {
+        a = PyByteArray_AS_STRING(args[0])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 1", "a byte string of length 1", args[0]);
+        goto exit;
+    }
+    if (nargs < 2) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[1]) && PyBytes_GET_SIZE(args[1]) == 1) {
+        b = PyBytes_AS_STRING(args[1])[0];
+    }
+    else if (PyByteArray_Check(args[1]) && PyByteArray_GET_SIZE(args[1]) == 1) {
+        b = PyByteArray_AS_STRING(args[1])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 2", "a byte string of length 1", args[1]);
+        goto exit;
+    }
+    if (nargs < 3) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[2]) && PyBytes_GET_SIZE(args[2]) == 1) {
+        c = PyBytes_AS_STRING(args[2])[0];
+    }
+    else if (PyByteArray_Check(args[2]) && PyByteArray_GET_SIZE(args[2]) == 1) {
+        c = PyByteArray_AS_STRING(args[2])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 3", "a byte string of length 1", args[2]);
+        goto exit;
+    }
+    if (nargs < 4) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[3]) && PyBytes_GET_SIZE(args[3]) == 1) {
+        d = PyBytes_AS_STRING(args[3])[0];
+    }
+    else if (PyByteArray_Check(args[3]) && PyByteArray_GET_SIZE(args[3]) == 1) {
+        d = PyByteArray_AS_STRING(args[3])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 4", "a byte string of length 1", args[3]);
+        goto exit;
+    }
+    if (nargs < 5) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[4]) && PyBytes_GET_SIZE(args[4]) == 1) {
+        e = PyBytes_AS_STRING(args[4])[0];
+    }
+    else if (PyByteArray_Check(args[4]) && PyByteArray_GET_SIZE(args[4]) == 1) {
+        e = PyByteArray_AS_STRING(args[4])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 5", "a byte string of length 1", args[4]);
+        goto exit;
+    }
+    if (nargs < 6) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[5]) && PyBytes_GET_SIZE(args[5]) == 1) {
+        f = PyBytes_AS_STRING(args[5])[0];
+    }
+    else if (PyByteArray_Check(args[5]) && PyByteArray_GET_SIZE(args[5]) == 1) {
+        f = PyByteArray_AS_STRING(args[5])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 6", "a byte string of length 1", args[5]);
+        goto exit;
+    }
+    if (nargs < 7) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[6]) && PyBytes_GET_SIZE(args[6]) == 1) {
+        g = PyBytes_AS_STRING(args[6])[0];
+    }
+    else if (PyByteArray_Check(args[6]) && PyByteArray_GET_SIZE(args[6]) == 1) {
+        g = PyByteArray_AS_STRING(args[6])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 7", "a byte string of length 1", args[6]);
+        goto exit;
+    }
+    if (nargs < 8) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[7]) && PyBytes_GET_SIZE(args[7]) == 1) {
+        h = PyBytes_AS_STRING(args[7])[0];
+    }
+    else if (PyByteArray_Check(args[7]) && PyByteArray_GET_SIZE(args[7]) == 1) {
+        h = PyByteArray_AS_STRING(args[7])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 8", "a byte string of length 1", args[7]);
+        goto exit;
+    }
+    if (nargs < 9) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[8]) && PyBytes_GET_SIZE(args[8]) == 1) {
+        i = PyBytes_AS_STRING(args[8])[0];
+    }
+    else if (PyByteArray_Check(args[8]) && PyByteArray_GET_SIZE(args[8]) == 1) {
+        i = PyByteArray_AS_STRING(args[8])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 9", "a byte string of length 1", args[8]);
+        goto exit;
+    }
+    if (nargs < 10) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[9]) && PyBytes_GET_SIZE(args[9]) == 1) {
+        j = PyBytes_AS_STRING(args[9])[0];
+    }
+    else if (PyByteArray_Check(args[9]) && PyByteArray_GET_SIZE(args[9]) == 1) {
+        j = PyByteArray_AS_STRING(args[9])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 10", "a byte string of length 1", args[9]);
+        goto exit;
+    }
+    if (nargs < 11) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[10]) && PyBytes_GET_SIZE(args[10]) == 1) {
+        k = PyBytes_AS_STRING(args[10])[0];
+    }
+    else if (PyByteArray_Check(args[10]) && PyByteArray_GET_SIZE(args[10]) == 1) {
+        k = PyByteArray_AS_STRING(args[10])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 11", "a byte string of length 1", args[10]);
+        goto exit;
+    }
+    if (nargs < 12) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[11]) && PyBytes_GET_SIZE(args[11]) == 1) {
+        l = PyBytes_AS_STRING(args[11])[0];
+    }
+    else if (PyByteArray_Check(args[11]) && PyByteArray_GET_SIZE(args[11]) == 1) {
+        l = PyByteArray_AS_STRING(args[11])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 12", "a byte string of length 1", args[11]);
+        goto exit;
+    }
+    if (nargs < 13) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[12]) && PyBytes_GET_SIZE(args[12]) == 1) {
+        m = PyBytes_AS_STRING(args[12])[0];
+    }
+    else if (PyByteArray_Check(args[12]) && PyByteArray_GET_SIZE(args[12]) == 1) {
+        m = PyByteArray_AS_STRING(args[12])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 13", "a byte string of length 1", args[12]);
+        goto exit;
+    }
+    if (nargs < 14) {
+        goto skip_optional;
+    }
+    if (PyBytes_Check(args[13]) && PyBytes_GET_SIZE(args[13]) == 1) {
+        n = PyBytes_AS_STRING(args[13])[0];
+    }
+    else if (PyByteArray_Check(args[13]) && PyByteArray_GET_SIZE(args[13]) == 1) {
+        n = PyByteArray_AS_STRING(args[13])[0];
+    }
+    else {
+        _PyArg_BadArgument("char_converter", "argument 14", "a byte string of length 1", args[13]);
+        goto exit;
+    }
+skip_optional:
+    return_value = char_converter_impl(module, a, b, c, d, e, f, g, h, i, j, k, l, m, n);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unsigned_char_converter__doc__,
+"unsigned_char_converter($module, a=12, b=34, c=56, /)\n"
+"--\n"
+"\n");
+
+#define UNSIGNED_CHAR_CONVERTER_METHODDEF    \
+    {"unsigned_char_converter", _PyCFunction_CAST(unsigned_char_converter), METH_FASTCALL, unsigned_char_converter__doc__},
+
+static PyObject *
+unsigned_char_converter_impl(PyObject *module, unsigned char a,
+                             unsigned char b, unsigned char c);
+
+static PyObject *
+unsigned_char_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    unsigned char a = 12;
+    unsigned char b = 34;
+    unsigned char c = 56;
+
+    if (!_PyArg_CheckPositional("unsigned_char_converter", nargs, 0, 3)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    {
+        long ival = PyLong_AsLong(args[0]);
+        if (ival == -1 && PyErr_Occurred()) {
+            goto exit;
+        }
+        else if (ival < 0) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "unsigned byte integer is less than minimum");
+            goto exit;
+        }
+        else if (ival > UCHAR_MAX) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "unsigned byte integer is greater than maximum");
+            goto exit;
+        }
+        else {
+            a = (unsigned char) ival;
+        }
+    }
+    if (nargs < 2) {
+        goto skip_optional;
+    }
+    {
+        long ival = PyLong_AsLong(args[1]);
+        if (ival == -1 && PyErr_Occurred()) {
+            goto exit;
+        }
+        else if (ival < 0) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "unsigned byte integer is less than minimum");
+            goto exit;
+        }
+        else if (ival > UCHAR_MAX) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "unsigned byte integer is greater than maximum");
+            goto exit;
+        }
+        else {
+            b = (unsigned char) ival;
+        }
+    }
+    if (nargs < 3) {
+        goto skip_optional;
+    }
+    {
+        unsigned long ival = PyLong_AsUnsignedLongMask(args[2]);
+        if (ival == (unsigned long)-1 && PyErr_Occurred()) {
+            goto exit;
+        }
+        else {
+            c = (unsigned char) ival;
+        }
+    }
+skip_optional:
+    return_value = unsigned_char_converter_impl(module, a, b, c);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(short_converter__doc__,
+"short_converter($module, a=12, /)\n"
+"--\n"
+"\n");
+
+#define SHORT_CONVERTER_METHODDEF    \
+    {"short_converter", _PyCFunction_CAST(short_converter), METH_FASTCALL, short_converter__doc__},
+
+static PyObject *
+short_converter_impl(PyObject *module, short a);
+
+static PyObject *
+short_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    short a = 12;
+
+    if (!_PyArg_CheckPositional("short_converter", nargs, 0, 1)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    {
+        long ival = PyLong_AsLong(args[0]);
+        if (ival == -1 && PyErr_Occurred()) {
+            goto exit;
+        }
+        else if (ival < SHRT_MIN) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "signed short integer is less than minimum");
+            goto exit;
+        }
+        else if (ival > SHRT_MAX) {
+            PyErr_SetString(PyExc_OverflowError,
+                            "signed short integer is greater than maximum");
+            goto exit;
+        }
+        else {
+            a = (short) ival;
+        }
+    }
+skip_optional:
+    return_value = short_converter_impl(module, a);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unsigned_short_converter__doc__,
+"unsigned_short_converter($module, a=12, b=34, c=56, /)\n"
+"--\n"
+"\n");
+
+#define UNSIGNED_SHORT_CONVERTER_METHODDEF    \
+    {"unsigned_short_converter", _PyCFunction_CAST(unsigned_short_converter), METH_FASTCALL, unsigned_short_converter__doc__},
+
+static PyObject *
+unsigned_short_converter_impl(PyObject *module, unsigned short a,
+                              unsigned short b, unsigned short c);
+
+static PyObject *
+unsigned_short_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    unsigned short a = 12;
+    unsigned short b = 34;
+    unsigned short c = 56;
+
+    if (!_PyArg_CheckPositional("unsigned_short_converter", nargs, 0, 3)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    if (!_PyLong_UnsignedShort_Converter(args[0], &a)) {
+        goto exit;
+    }
+    if (nargs < 2) {
+        goto skip_optional;
+    }
+    if (!_PyLong_UnsignedShort_Converter(args[1], &b)) {
+        goto exit;
+    }
+    if (nargs < 3) {
+        goto skip_optional;
+    }
+    c = (unsigned short)PyLong_AsUnsignedLongMask(args[2]);
+    if (c == (unsigned short)-1 && PyErr_Occurred()) {
+        goto exit;
+    }
+skip_optional:
+    return_value = unsigned_short_converter_impl(module, a, b, c);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(int_converter__doc__,
+"int_converter($module, a=12, b=34, c=45, /)\n"
+"--\n"
+"\n");
+
+#define INT_CONVERTER_METHODDEF    \
+    {"int_converter", _PyCFunction_CAST(int_converter), METH_FASTCALL, int_converter__doc__},
+
+static PyObject *
+int_converter_impl(PyObject *module, int a, int b, int c);
+
+static PyObject *
+int_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    int a = 12;
+    int b = 34;
+    int c = 45;
+
+    if (!_PyArg_CheckPositional("int_converter", nargs, 0, 3)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    a = _PyLong_AsInt(args[0]);
+    if (a == -1 && PyErr_Occurred()) {
+        goto exit;
+    }
+    if (nargs < 2) {
+        goto skip_optional;
+    }
+    b = _PyLong_AsInt(args[1]);
+    if (b == -1 && PyErr_Occurred()) {
+        goto exit;
+    }
+    if (nargs < 3) {
+        goto skip_optional;
+    }
+    if (!PyUnicode_Check(args[2])) {
+        _PyArg_BadArgument("int_converter", "argument 3", "a unicode character", args[2]);
+        goto exit;
+    }
+    if (PyUnicode_READY(args[2])) {
+        goto exit;
+    }
+    if (PyUnicode_GET_LENGTH(args[2]) != 1) {
+        _PyArg_BadArgument("int_converter", "argument 3", "a unicode character", args[2]);
+        goto exit;
+    }
+    c = PyUnicode_READ_CHAR(args[2], 0);
+skip_optional:
+    return_value = int_converter_impl(module, a, b, c);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unsigned_int_converter__doc__,
+"unsigned_int_converter($module, a=12, b=34, c=56, /)\n"
+"--\n"
+"\n");
+
+#define UNSIGNED_INT_CONVERTER_METHODDEF    \
+    {"unsigned_int_converter", _PyCFunction_CAST(unsigned_int_converter), METH_FASTCALL, unsigned_int_converter__doc__},
+
+static PyObject *
+unsigned_int_converter_impl(PyObject *module, unsigned int a, unsigned int b,
+                            unsigned int c);
+
+static PyObject *
+unsigned_int_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    unsigned int a = 12;
+    unsigned int b = 34;
+    unsigned int c = 56;
+
+    if (!_PyArg_CheckPositional("unsigned_int_converter", nargs, 0, 3)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    if (!_PyLong_UnsignedInt_Converter(args[0], &a)) {
+        goto exit;
+    }
+    if (nargs < 2) {
+        goto skip_optional;
+    }
+    if (!_PyLong_UnsignedInt_Converter(args[1], &b)) {
+        goto exit;
+    }
+    if (nargs < 3) {
+        goto skip_optional;
+    }
+    c = (unsigned int)PyLong_AsUnsignedLongMask(args[2]);
+    if (c == (unsigned int)-1 && PyErr_Occurred()) {
+        goto exit;
+    }
+skip_optional:
+    return_value = unsigned_int_converter_impl(module, a, b, c);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(long_converter__doc__,
+"long_converter($module, a=12, /)\n"
+"--\n"
+"\n");
+
+#define LONG_CONVERTER_METHODDEF    \
+    {"long_converter", _PyCFunction_CAST(long_converter), METH_FASTCALL, long_converter__doc__},
+
+static PyObject *
+long_converter_impl(PyObject *module, long a);
+
+static PyObject *
+long_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    long a = 12;
+
+    if (!_PyArg_CheckPositional("long_converter", nargs, 0, 1)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    a = PyLong_AsLong(args[0]);
+    if (a == -1 && PyErr_Occurred()) {
+        goto exit;
+    }
+skip_optional:
+    return_value = long_converter_impl(module, a);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unsigned_long_converter__doc__,
+"unsigned_long_converter($module, a=12, b=34, c=56, /)\n"
+"--\n"
+"\n");
+
+#define UNSIGNED_LONG_CONVERTER_METHODDEF    \
+    {"unsigned_long_converter", _PyCFunction_CAST(unsigned_long_converter), METH_FASTCALL, unsigned_long_converter__doc__},
+
+static PyObject *
+unsigned_long_converter_impl(PyObject *module, unsigned long a,
+                             unsigned long b, unsigned long c);
+
+static PyObject *
+unsigned_long_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    unsigned long a = 12;
+    unsigned long b = 34;
+    unsigned long c = 56;
+
+    if (!_PyArg_CheckPositional("unsigned_long_converter", nargs, 0, 3)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    if (!_PyLong_UnsignedLong_Converter(args[0], &a)) {
+        goto exit;
+    }
+    if (nargs < 2) {
+        goto skip_optional;
+    }
+    if (!_PyLong_UnsignedLong_Converter(args[1], &b)) {
+        goto exit;
+    }
+    if (nargs < 3) {
+        goto skip_optional;
+    }
+    if (!PyLong_Check(args[2])) {
+        _PyArg_BadArgument("unsigned_long_converter", "argument 3", "int", args[2]);
+        goto exit;
+    }
+    c = PyLong_AsUnsignedLongMask(args[2]);
+skip_optional:
+    return_value = unsigned_long_converter_impl(module, a, b, c);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(long_long_converter__doc__,
+"long_long_converter($module, a=12, /)\n"
+"--\n"
+"\n");
+
+#define LONG_LONG_CONVERTER_METHODDEF    \
+    {"long_long_converter", _PyCFunction_CAST(long_long_converter), METH_FASTCALL, long_long_converter__doc__},
+
+static PyObject *
+long_long_converter_impl(PyObject *module, long long a);
+
+static PyObject *
+long_long_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    long long a = 12;
+
+    if (!_PyArg_CheckPositional("long_long_converter", nargs, 0, 1)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    a = PyLong_AsLongLong(args[0]);
+    if (a == -1 && PyErr_Occurred()) {
+        goto exit;
+    }
+skip_optional:
+    return_value = long_long_converter_impl(module, a);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(unsigned_long_long_converter__doc__,
+"unsigned_long_long_converter($module, a=12, b=34, c=56, /)\n"
+"--\n"
+"\n");
+
+#define UNSIGNED_LONG_LONG_CONVERTER_METHODDEF    \
+    {"unsigned_long_long_converter", _PyCFunction_CAST(unsigned_long_long_converter), METH_FASTCALL, unsigned_long_long_converter__doc__},
+
+static PyObject *
+unsigned_long_long_converter_impl(PyObject *module, unsigned long long a,
+                                  unsigned long long b, unsigned long long c);
+
+static PyObject *
+unsigned_long_long_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    unsigned long long a = 12;
+    unsigned long long b = 34;
+    unsigned long long c = 56;
+
+    if (!_PyArg_CheckPositional("unsigned_long_long_converter", nargs, 0, 3)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    if (!_PyLong_UnsignedLongLong_Converter(args[0], &a)) {
+        goto exit;
+    }
+    if (nargs < 2) {
+        goto skip_optional;
+    }
+    if (!_PyLong_UnsignedLongLong_Converter(args[1], &b)) {
+        goto exit;
+    }
+    if (nargs < 3) {
+        goto skip_optional;
+    }
+    if (!PyLong_Check(args[2])) {
+        _PyArg_BadArgument("unsigned_long_long_converter", "argument 3", "int", args[2]);
+        goto exit;
+    }
+    c = PyLong_AsUnsignedLongLongMask(args[2]);
+skip_optional:
+    return_value = unsigned_long_long_converter_impl(module, a, b, c);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(py_ssize_t_converter__doc__,
+"py_ssize_t_converter($module, a=12, b=34, c=56, /)\n"
+"--\n"
+"\n");
+
+#define PY_SSIZE_T_CONVERTER_METHODDEF    \
+    {"py_ssize_t_converter", _PyCFunction_CAST(py_ssize_t_converter), METH_FASTCALL, py_ssize_t_converter__doc__},
+
+static PyObject *
+py_ssize_t_converter_impl(PyObject *module, Py_ssize_t a, Py_ssize_t b,
+                          Py_ssize_t c);
+
+static PyObject *
+py_ssize_t_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t a = 12;
+    Py_ssize_t b = 34;
+    Py_ssize_t c = 56;
+
+    if (!_PyArg_CheckPositional("py_ssize_t_converter", nargs, 0, 3)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    {
+        Py_ssize_t ival = -1;
+        PyObject *iobj = _PyNumber_Index(args[0]);
+        if (iobj != NULL) {
+            ival = PyLong_AsSsize_t(iobj);
+            Py_DECREF(iobj);
+        }
+        if (ival == -1 && PyErr_Occurred()) {
+            goto exit;
+        }
+        a = ival;
+    }
+    if (nargs < 2) {
+        goto skip_optional;
+    }
+    {
+        Py_ssize_t ival = -1;
+        PyObject *iobj = _PyNumber_Index(args[1]);
+        if (iobj != NULL) {
+            ival = PyLong_AsSsize_t(iobj);
+            Py_DECREF(iobj);
+        }
+        if (ival == -1 && PyErr_Occurred()) {
+            goto exit;
+        }
+        b = ival;
+    }
+    if (nargs < 3) {
+        goto skip_optional;
+    }
+    if (!_Py_convert_optional_to_ssize_t(args[2], &c)) {
+        goto exit;
+    }
+skip_optional:
+    return_value = py_ssize_t_converter_impl(module, a, b, c);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(slice_index_converter__doc__,
+"slice_index_converter($module, a=12, b=34, c=56, /)\n"
+"--\n"
+"\n");
+
+#define SLICE_INDEX_CONVERTER_METHODDEF    \
+    {"slice_index_converter", _PyCFunction_CAST(slice_index_converter), METH_FASTCALL, slice_index_converter__doc__},
+
+static PyObject *
+slice_index_converter_impl(PyObject *module, Py_ssize_t a, Py_ssize_t b,
+                           Py_ssize_t c);
+
+static PyObject *
+slice_index_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    Py_ssize_t a = 12;
+    Py_ssize_t b = 34;
+    Py_ssize_t c = 56;
+
+    if (!_PyArg_CheckPositional("slice_index_converter", nargs, 0, 3)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    if (!_PyEval_SliceIndex(args[0], &a)) {
+        goto exit;
+    }
+    if (nargs < 2) {
+        goto skip_optional;
+    }
+    if (!_PyEval_SliceIndexNotNone(args[1], &b)) {
+        goto exit;
+    }
+    if (nargs < 3) {
+        goto skip_optional;
+    }
+    if (!_PyEval_SliceIndex(args[2], &c)) {
+        goto exit;
+    }
+skip_optional:
+    return_value = slice_index_converter_impl(module, a, b, c);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(size_t_converter__doc__,
+"size_t_converter($module, a=12, /)\n"
+"--\n"
+"\n");
+
+#define SIZE_T_CONVERTER_METHODDEF    \
+    {"size_t_converter", _PyCFunction_CAST(size_t_converter), METH_FASTCALL, size_t_converter__doc__},
+
+static PyObject *
+size_t_converter_impl(PyObject *module, size_t a);
+
+static PyObject *
+size_t_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    size_t a = 12;
+
+    if (!_PyArg_CheckPositional("size_t_converter", nargs, 0, 1)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    if (!_PyLong_Size_t_Converter(args[0], &a)) {
+        goto exit;
+    }
+skip_optional:
+    return_value = size_t_converter_impl(module, a);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(float_converter__doc__,
+"float_converter($module, a=12.5, /)\n"
+"--\n"
+"\n");
+
+#define FLOAT_CONVERTER_METHODDEF    \
+    {"float_converter", _PyCFunction_CAST(float_converter), METH_FASTCALL, float_converter__doc__},
+
+static PyObject *
+float_converter_impl(PyObject *module, float a);
+
+static PyObject *
+float_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    float a = 12.5;
+
+    if (!_PyArg_CheckPositional("float_converter", nargs, 0, 1)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    if (PyFloat_CheckExact(args[0])) {
+        a = (float) (PyFloat_AS_DOUBLE(args[0]));
+    }
+    else
+    {
+        a = (float) PyFloat_AsDouble(args[0]);
+        if (a == -1.0 && PyErr_Occurred()) {
+            goto exit;
+        }
+    }
+skip_optional:
+    return_value = float_converter_impl(module, a);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(double_converter__doc__,
+"double_converter($module, a=12.5, /)\n"
+"--\n"
+"\n");
+
+#define DOUBLE_CONVERTER_METHODDEF    \
+    {"double_converter", _PyCFunction_CAST(double_converter), METH_FASTCALL, double_converter__doc__},
+
+static PyObject *
+double_converter_impl(PyObject *module, double a);
+
+static PyObject *
+double_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    double a = 12.5;
+
+    if (!_PyArg_CheckPositional("double_converter", nargs, 0, 1)) {
+        goto exit;
+    }
+    if (nargs < 1) {
+        goto skip_optional;
+    }
+    if (PyFloat_CheckExact(args[0])) {
+        a = PyFloat_AS_DOUBLE(args[0]);
+    }
+    else
+    {
+        a = PyFloat_AsDouble(args[0]);
+        if (a == -1.0 && PyErr_Occurred()) {
+            goto exit;
+        }
+    }
+skip_optional:
+    return_value = double_converter_impl(module, a);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(py_complex_converter__doc__,
+"py_complex_converter($module, a, /)\n"
+"--\n"
+"\n");
+
+#define PY_COMPLEX_CONVERTER_METHODDEF    \
+    {"py_complex_converter", (PyCFunction)py_complex_converter, METH_O, py_complex_converter__doc__},
+
+static PyObject *
+py_complex_converter_impl(PyObject *module, Py_complex a);
+
+static PyObject *
+py_complex_converter(PyObject *module, PyObject *arg)
+{
+    PyObject *return_value = NULL;
+    Py_complex a;
+
+    a = PyComplex_AsCComplex(arg);
+    if (PyErr_Occurred()) {
+        goto exit;
+    }
+    return_value = py_complex_converter_impl(module, a);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(str_converter__doc__,
+"str_converter($module, a=\'a\', b=\'b\', c=\'c\', /)\n"
+"--\n"
+"\n");
+
+#define STR_CONVERTER_METHODDEF    \
+    {"str_converter", _PyCFunction_CAST(str_converter), METH_FASTCALL, str_converter__doc__},
+
+static PyObject *
+str_converter_impl(PyObject *module, const char *a, const char *b,
+                   const char *c, Py_ssize_t c_length);
+
+static PyObject *
+str_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    const char *a = "a";
+    const char *b = "b";
+    const char *c = "c";
+    Py_ssize_t c_length;
+
+    if (!_PyArg_ParseStack(args, nargs, "|sys#:str_converter",
+        &a, &b, &c, &c_length)) {
+        goto exit;
+    }
+    return_value = str_converter_impl(module, a, b, c, c_length);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(str_converter_encoding__doc__,
+"str_converter_encoding($module, a, b, c, /)\n"
+"--\n"
+"\n");
+
+#define STR_CONVERTER_ENCODING_METHODDEF    \
+    {"str_converter_encoding", _PyCFunction_CAST(str_converter_encoding), METH_FASTCALL, str_converter_encoding__doc__},
+
+static PyObject *
+str_converter_encoding_impl(PyObject *module, char *a, char *b, char *c,
+                            Py_ssize_t c_length);
+
+static PyObject *
+str_converter_encoding(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    char *a = NULL;
+    char *b = NULL;
+    char *c = NULL;
+    Py_ssize_t c_length;
+
+    if (!_PyArg_ParseStack(args, nargs, "esetet#:str_converter_encoding",
+        "idna", &a, "idna", &b, "idna", &c, &c_length)) {
+        goto exit;
+    }
+    return_value = str_converter_encoding_impl(module, a, b, c, c_length);
+
+exit:
+    /* Cleanup for a */
+    if (a) {
+       PyMem_FREE(a);
+    }
+    /* Cleanup for b */
+    if (b) {
+       PyMem_FREE(b);
+    }
+    /* Cleanup for c */
+    if (c) {
+       PyMem_FREE(c);
+    }
+
+    return return_value;
+}
+
+PyDoc_STRVAR(py_buffer_converter__doc__,
+"py_buffer_converter($module, a, b, /)\n"
+"--\n"
+"\n");
+
+#define PY_BUFFER_CONVERTER_METHODDEF    \
+    {"py_buffer_converter", _PyCFunction_CAST(py_buffer_converter), METH_FASTCALL, py_buffer_converter__doc__},
+
+static PyObject *
+py_buffer_converter_impl(PyObject *module, Py_buffer *a, Py_buffer *b);
+
+static PyObject *
+py_buffer_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    Py_buffer a = {NULL, NULL};
+    Py_buffer b = {NULL, NULL};
+
+    if (!_PyArg_ParseStack(args, nargs, "z*w*:py_buffer_converter",
+        &a, &b)) {
+        goto exit;
+    }
+    return_value = py_buffer_converter_impl(module, &a, &b);
+
+exit:
+    /* Cleanup for a */
+    if (a.obj) {
+       PyBuffer_Release(&a);
+    }
+    /* Cleanup for b */
+    if (b.obj) {
+       PyBuffer_Release(&b);
+    }
+
+    return return_value;
+}
+
+PyDoc_STRVAR(keywords__doc__,
+"keywords($module, /, a, b)\n"
+"--\n"
+"\n");
+
+#define KEYWORDS_METHODDEF    \
+    {"keywords", _PyCFunction_CAST(keywords), METH_FASTCALL|METH_KEYWORDS, keywords__doc__},
+
+static PyObject *
+keywords_impl(PyObject *module, PyObject *a, PyObject *b);
+
+static PyObject *
+keywords(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 2
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(a), &_Py_ID(b), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"a", "b", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "keywords",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[2];
+    PyObject *a;
+    PyObject *b;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 2, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    b = args[1];
+    return_value = keywords_impl(module, a, b);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(keywords_kwonly__doc__,
+"keywords_kwonly($module, /, a, *, b)\n"
+"--\n"
+"\n");
+
+#define KEYWORDS_KWONLY_METHODDEF    \
+    {"keywords_kwonly", _PyCFunction_CAST(keywords_kwonly), METH_FASTCALL|METH_KEYWORDS, keywords_kwonly__doc__},
+
+static PyObject *
+keywords_kwonly_impl(PyObject *module, PyObject *a, PyObject *b);
+
+static PyObject *
+keywords_kwonly(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 2
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(a), &_Py_ID(b), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"a", "b", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "keywords_kwonly",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[2];
+    PyObject *a;
+    PyObject *b;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 1, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    b = args[1];
+    return_value = keywords_kwonly_impl(module, a, b);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(keywords_opt__doc__,
+"keywords_opt($module, /, a, b=None, c=None)\n"
+"--\n"
+"\n");
+
+#define KEYWORDS_OPT_METHODDEF    \
+    {"keywords_opt", _PyCFunction_CAST(keywords_opt), METH_FASTCALL|METH_KEYWORDS, keywords_opt__doc__},
+
+static PyObject *
+keywords_opt_impl(PyObject *module, PyObject *a, PyObject *b, PyObject *c);
+
+static PyObject *
+keywords_opt(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 3
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(a), &_Py_ID(b), &_Py_ID(c), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"a", "b", "c", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "keywords_opt",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[3];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
+    PyObject *a;
+    PyObject *b = Py_None;
+    PyObject *c = Py_None;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 3, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    if (!noptargs) {
+        goto skip_optional_pos;
+    }
+    if (args[1]) {
+        b = args[1];
+        if (!--noptargs) {
+            goto skip_optional_pos;
+        }
+    }
+    c = args[2];
+skip_optional_pos:
+    return_value = keywords_opt_impl(module, a, b, c);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(keywords_opt_kwonly__doc__,
+"keywords_opt_kwonly($module, /, a, b=None, *, c=None, d=None)\n"
+"--\n"
+"\n");
+
+#define KEYWORDS_OPT_KWONLY_METHODDEF    \
+    {"keywords_opt_kwonly", _PyCFunction_CAST(keywords_opt_kwonly), METH_FASTCALL|METH_KEYWORDS, keywords_opt_kwonly__doc__},
+
+static PyObject *
+keywords_opt_kwonly_impl(PyObject *module, PyObject *a, PyObject *b,
+                         PyObject *c, PyObject *d);
+
+static PyObject *
+keywords_opt_kwonly(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 4
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(a), &_Py_ID(b), &_Py_ID(c), &_Py_ID(d), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"a", "b", "c", "d", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "keywords_opt_kwonly",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[4];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
+    PyObject *a;
+    PyObject *b = Py_None;
+    PyObject *c = Py_None;
+    PyObject *d = Py_None;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 2, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    if (!noptargs) {
+        goto skip_optional_pos;
+    }
+    if (args[1]) {
+        b = args[1];
+        if (!--noptargs) {
+            goto skip_optional_pos;
+        }
+    }
+skip_optional_pos:
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    if (args[2]) {
+        c = args[2];
+        if (!--noptargs) {
+            goto skip_optional_kwonly;
+        }
+    }
+    d = args[3];
+skip_optional_kwonly:
+    return_value = keywords_opt_kwonly_impl(module, a, b, c, d);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(keywords_kwonly_opt__doc__,
+"keywords_kwonly_opt($module, /, a, *, b=None, c=None)\n"
+"--\n"
+"\n");
+
+#define KEYWORDS_KWONLY_OPT_METHODDEF    \
+    {"keywords_kwonly_opt", _PyCFunction_CAST(keywords_kwonly_opt), METH_FASTCALL|METH_KEYWORDS, keywords_kwonly_opt__doc__},
+
+static PyObject *
+keywords_kwonly_opt_impl(PyObject *module, PyObject *a, PyObject *b,
+                         PyObject *c);
+
+static PyObject *
+keywords_kwonly_opt(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 3
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(a), &_Py_ID(b), &_Py_ID(c), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"a", "b", "c", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "keywords_kwonly_opt",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[3];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
+    PyObject *a;
+    PyObject *b = Py_None;
+    PyObject *c = Py_None;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    if (args[1]) {
+        b = args[1];
+        if (!--noptargs) {
+            goto skip_optional_kwonly;
+        }
+    }
+    c = args[2];
+skip_optional_kwonly:
+    return_value = keywords_kwonly_opt_impl(module, a, b, c);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(posonly_keywords__doc__,
+"posonly_keywords($module, a, /, b)\n"
+"--\n"
+"\n");
+
+#define POSONLY_KEYWORDS_METHODDEF    \
+    {"posonly_keywords", _PyCFunction_CAST(posonly_keywords), METH_FASTCALL|METH_KEYWORDS, posonly_keywords__doc__},
+
+static PyObject *
+posonly_keywords_impl(PyObject *module, PyObject *a, PyObject *b);
+
+static PyObject *
+posonly_keywords(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 1
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(b), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"", "b", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "posonly_keywords",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[2];
+    PyObject *a;
+    PyObject *b;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 2, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    b = args[1];
+    return_value = posonly_keywords_impl(module, a, b);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(posonly_kwonly__doc__,
+"posonly_kwonly($module, a, /, *, b)\n"
+"--\n"
+"\n");
+
+#define POSONLY_KWONLY_METHODDEF    \
+    {"posonly_kwonly", _PyCFunction_CAST(posonly_kwonly), METH_FASTCALL|METH_KEYWORDS, posonly_kwonly__doc__},
+
+static PyObject *
+posonly_kwonly_impl(PyObject *module, PyObject *a, PyObject *b);
+
+static PyObject *
+posonly_kwonly(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 1
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(b), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"", "b", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "posonly_kwonly",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[2];
+    PyObject *a;
+    PyObject *b;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 1, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    b = args[1];
+    return_value = posonly_kwonly_impl(module, a, b);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(posonly_keywords_kwonly__doc__,
+"posonly_keywords_kwonly($module, a, /, b, *, c)\n"
+"--\n"
+"\n");
+
+#define POSONLY_KEYWORDS_KWONLY_METHODDEF    \
+    {"posonly_keywords_kwonly", _PyCFunction_CAST(posonly_keywords_kwonly), METH_FASTCALL|METH_KEYWORDS, posonly_keywords_kwonly__doc__},
+
+static PyObject *
+posonly_keywords_kwonly_impl(PyObject *module, PyObject *a, PyObject *b,
+                             PyObject *c);
+
+static PyObject *
+posonly_keywords_kwonly(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 2
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(b), &_Py_ID(c), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"", "b", "c", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "posonly_keywords_kwonly",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[3];
+    PyObject *a;
+    PyObject *b;
+    PyObject *c;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 2, 1, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    b = args[1];
+    c = args[2];
+    return_value = posonly_keywords_kwonly_impl(module, a, b, c);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(posonly_keywords_opt__doc__,
+"posonly_keywords_opt($module, a, /, b, c=None, d=None)\n"
+"--\n"
+"\n");
+
+#define POSONLY_KEYWORDS_OPT_METHODDEF    \
+    {"posonly_keywords_opt", _PyCFunction_CAST(posonly_keywords_opt), METH_FASTCALL|METH_KEYWORDS, posonly_keywords_opt__doc__},
+
+static PyObject *
+posonly_keywords_opt_impl(PyObject *module, PyObject *a, PyObject *b,
+                          PyObject *c, PyObject *d);
+
+static PyObject *
+posonly_keywords_opt(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 3
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(b), &_Py_ID(c), &_Py_ID(d), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"", "b", "c", "d", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "posonly_keywords_opt",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[4];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
+    PyObject *a;
+    PyObject *b;
+    PyObject *c = Py_None;
+    PyObject *d = Py_None;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 4, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    b = args[1];
+    if (!noptargs) {
+        goto skip_optional_pos;
+    }
+    if (args[2]) {
+        c = args[2];
+        if (!--noptargs) {
+            goto skip_optional_pos;
+        }
+    }
+    d = args[3];
+skip_optional_pos:
+    return_value = posonly_keywords_opt_impl(module, a, b, c, d);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(posonly_opt_keywords_opt__doc__,
+"posonly_opt_keywords_opt($module, a, b=None, /, c=None, d=None)\n"
+"--\n"
+"\n");
+
+#define POSONLY_OPT_KEYWORDS_OPT_METHODDEF    \
+    {"posonly_opt_keywords_opt", _PyCFunction_CAST(posonly_opt_keywords_opt), METH_FASTCALL|METH_KEYWORDS, posonly_opt_keywords_opt__doc__},
+
+static PyObject *
+posonly_opt_keywords_opt_impl(PyObject *module, PyObject *a, PyObject *b,
+                              PyObject *c, PyObject *d);
+
+static PyObject *
+posonly_opt_keywords_opt(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 2
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(c), &_Py_ID(d), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"", "", "c", "d", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "posonly_opt_keywords_opt",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[4];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
+    PyObject *a;
+    PyObject *b = Py_None;
+    PyObject *c = Py_None;
+    PyObject *d = Py_None;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 4, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    if (nargs < 2) {
+        goto skip_optional_posonly;
+    }
+    noptargs--;
+    b = args[1];
+skip_optional_posonly:
+    if (!noptargs) {
+        goto skip_optional_pos;
+    }
+    if (args[2]) {
+        c = args[2];
+        if (!--noptargs) {
+            goto skip_optional_pos;
+        }
+    }
+    d = args[3];
+skip_optional_pos:
+    return_value = posonly_opt_keywords_opt_impl(module, a, b, c, d);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(posonly_kwonly_opt__doc__,
+"posonly_kwonly_opt($module, a, /, *, b, c=None, d=None)\n"
+"--\n"
+"\n");
+
+#define POSONLY_KWONLY_OPT_METHODDEF    \
+    {"posonly_kwonly_opt", _PyCFunction_CAST(posonly_kwonly_opt), METH_FASTCALL|METH_KEYWORDS, posonly_kwonly_opt__doc__},
+
+static PyObject *
+posonly_kwonly_opt_impl(PyObject *module, PyObject *a, PyObject *b,
+                        PyObject *c, PyObject *d);
+
+static PyObject *
+posonly_kwonly_opt(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 3
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(b), &_Py_ID(c), &_Py_ID(d), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"", "b", "c", "d", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "posonly_kwonly_opt",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[4];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
+    PyObject *a;
+    PyObject *b;
+    PyObject *c = Py_None;
+    PyObject *d = Py_None;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 1, 1, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    b = args[1];
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    if (args[2]) {
+        c = args[2];
+        if (!--noptargs) {
+            goto skip_optional_kwonly;
+        }
+    }
+    d = args[3];
+skip_optional_kwonly:
+    return_value = posonly_kwonly_opt_impl(module, a, b, c, d);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(posonly_opt_kwonly_opt__doc__,
+"posonly_opt_kwonly_opt($module, a, b=None, /, *, c=None, d=None)\n"
+"--\n"
+"\n");
+
+#define POSONLY_OPT_KWONLY_OPT_METHODDEF    \
+    {"posonly_opt_kwonly_opt", _PyCFunction_CAST(posonly_opt_kwonly_opt), METH_FASTCALL|METH_KEYWORDS, posonly_opt_kwonly_opt__doc__},
+
+static PyObject *
+posonly_opt_kwonly_opt_impl(PyObject *module, PyObject *a, PyObject *b,
+                            PyObject *c, PyObject *d);
+
+static PyObject *
+posonly_opt_kwonly_opt(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 2
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(c), &_Py_ID(d), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"", "", "c", "d", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "posonly_opt_kwonly_opt",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[4];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
+    PyObject *a;
+    PyObject *b = Py_None;
+    PyObject *c = Py_None;
+    PyObject *d = Py_None;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 2, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    if (nargs < 2) {
+        goto skip_optional_posonly;
+    }
+    noptargs--;
+    b = args[1];
+skip_optional_posonly:
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    if (args[2]) {
+        c = args[2];
+        if (!--noptargs) {
+            goto skip_optional_kwonly;
+        }
+    }
+    d = args[3];
+skip_optional_kwonly:
+    return_value = posonly_opt_kwonly_opt_impl(module, a, b, c, d);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(posonly_keywords_kwonly_opt__doc__,
+"posonly_keywords_kwonly_opt($module, a, /, b, *, c, d=None, e=None)\n"
+"--\n"
+"\n");
+
+#define POSONLY_KEYWORDS_KWONLY_OPT_METHODDEF    \
+    {"posonly_keywords_kwonly_opt", _PyCFunction_CAST(posonly_keywords_kwonly_opt), METH_FASTCALL|METH_KEYWORDS, posonly_keywords_kwonly_opt__doc__},
+
+static PyObject *
+posonly_keywords_kwonly_opt_impl(PyObject *module, PyObject *a, PyObject *b,
+                                 PyObject *c, PyObject *d, PyObject *e);
+
+static PyObject *
+posonly_keywords_kwonly_opt(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 4
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(b), &_Py_ID(c), &_Py_ID(d), &_Py_ID(e), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"", "b", "c", "d", "e", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "posonly_keywords_kwonly_opt",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[5];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 3;
+    PyObject *a;
+    PyObject *b;
+    PyObject *c;
+    PyObject *d = Py_None;
+    PyObject *e = Py_None;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 2, 1, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    b = args[1];
+    c = args[2];
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    if (args[3]) {
+        d = args[3];
+        if (!--noptargs) {
+            goto skip_optional_kwonly;
+        }
+    }
+    e = args[4];
+skip_optional_kwonly:
+    return_value = posonly_keywords_kwonly_opt_impl(module, a, b, c, d, e);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(posonly_keywords_opt_kwonly_opt__doc__,
+"posonly_keywords_opt_kwonly_opt($module, a, /, b, c=None, *, d=None,\n"
+"                                e=None)\n"
+"--\n"
+"\n");
+
+#define POSONLY_KEYWORDS_OPT_KWONLY_OPT_METHODDEF    \
+    {"posonly_keywords_opt_kwonly_opt", _PyCFunction_CAST(posonly_keywords_opt_kwonly_opt), METH_FASTCALL|METH_KEYWORDS, posonly_keywords_opt_kwonly_opt__doc__},
+
+static PyObject *
+posonly_keywords_opt_kwonly_opt_impl(PyObject *module, PyObject *a,
+                                     PyObject *b, PyObject *c, PyObject *d,
+                                     PyObject *e);
+
+static PyObject *
+posonly_keywords_opt_kwonly_opt(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 4
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(b), &_Py_ID(c), &_Py_ID(d), &_Py_ID(e), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"", "b", "c", "d", "e", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "posonly_keywords_opt_kwonly_opt",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[5];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
+    PyObject *a;
+    PyObject *b;
+    PyObject *c = Py_None;
+    PyObject *d = Py_None;
+    PyObject *e = Py_None;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 3, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    b = args[1];
+    if (!noptargs) {
+        goto skip_optional_pos;
+    }
+    if (args[2]) {
+        c = args[2];
+        if (!--noptargs) {
+            goto skip_optional_pos;
+        }
+    }
+skip_optional_pos:
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    if (args[3]) {
+        d = args[3];
+        if (!--noptargs) {
+            goto skip_optional_kwonly;
+        }
+    }
+    e = args[4];
+skip_optional_kwonly:
+    return_value = posonly_keywords_opt_kwonly_opt_impl(module, a, b, c, d, e);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(posonly_opt_keywords_opt_kwonly_opt__doc__,
+"posonly_opt_keywords_opt_kwonly_opt($module, a, b=None, /, c=None, *,\n"
+"                                    d=None)\n"
+"--\n"
+"\n");
+
+#define POSONLY_OPT_KEYWORDS_OPT_KWONLY_OPT_METHODDEF    \
+    {"posonly_opt_keywords_opt_kwonly_opt", _PyCFunction_CAST(posonly_opt_keywords_opt_kwonly_opt), METH_FASTCALL|METH_KEYWORDS, posonly_opt_keywords_opt_kwonly_opt__doc__},
+
+static PyObject *
+posonly_opt_keywords_opt_kwonly_opt_impl(PyObject *module, PyObject *a,
+                                         PyObject *b, PyObject *c,
+                                         PyObject *d);
+
+static PyObject *
+posonly_opt_keywords_opt_kwonly_opt(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 2
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(c), &_Py_ID(d), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"", "", "c", "d", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "posonly_opt_keywords_opt_kwonly_opt",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[4];
+    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
+    PyObject *a;
+    PyObject *b = Py_None;
+    PyObject *c = Py_None;
+    PyObject *d = Py_None;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 3, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    if (nargs < 2) {
+        goto skip_optional_posonly;
+    }
+    noptargs--;
+    b = args[1];
+skip_optional_posonly:
+    if (!noptargs) {
+        goto skip_optional_pos;
+    }
+    if (args[2]) {
+        c = args[2];
+        if (!--noptargs) {
+            goto skip_optional_pos;
+        }
+    }
+skip_optional_pos:
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    d = args[3];
+skip_optional_kwonly:
+    return_value = posonly_opt_keywords_opt_kwonly_opt_impl(module, a, b, c, d);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(keyword_only_parameter__doc__,
+"keyword_only_parameter($module, /, *, a)\n"
+"--\n"
+"\n");
+
+#define KEYWORD_ONLY_PARAMETER_METHODDEF    \
+    {"keyword_only_parameter", _PyCFunction_CAST(keyword_only_parameter), METH_FASTCALL|METH_KEYWORDS, keyword_only_parameter__doc__},
+
+static PyObject *
+keyword_only_parameter_impl(PyObject *module, PyObject *a);
+
+static PyObject *
+keyword_only_parameter(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 1
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(a), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"a", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "keyword_only_parameter",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[1];
+    PyObject *a;
+
+    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 0, 0, 1, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    return_value = keyword_only_parameter_impl(module, a);
+
+exit:
+    return return_value;
+}
+
+PyDoc_STRVAR(vararg_and_posonly__doc__,
+"vararg_and_posonly($module, a, /, *args)\n"
+"--\n"
+"\n");
+
+#define VARARG_AND_POSONLY_METHODDEF    \
+    {"vararg_and_posonly", _PyCFunction_CAST(vararg_and_posonly), METH_FASTCALL, vararg_and_posonly__doc__},
+
+static PyObject *
+vararg_and_posonly_impl(PyObject *module, PyObject *a, PyObject *args);
+
+static PyObject *
+vararg_and_posonly(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    PyObject *a;
+    PyObject *__clinic_args = NULL;
+
+    if (!_PyArg_CheckPositional("vararg_and_posonly", nargs, 1, PY_SSIZE_T_MAX)) {
+        goto exit;
+    }
+    a = args[0];
+    __clinic_args = PyTuple_New(nargs - 1);
+    for (Py_ssize_t i = 0; i < nargs - 1; ++i) {
+        PyTuple_SET_ITEM(__clinic_args, i, args[1 + i]);
+    }
+    return_value = vararg_and_posonly_impl(module, a, __clinic_args);
+
+exit:
+    Py_XDECREF(__clinic_args);
+    return return_value;
+}
+
+PyDoc_STRVAR(vararg__doc__,
+"vararg($module, /, a, *args)\n"
+"--\n"
+"\n");
+
+#define VARARG_METHODDEF    \
+    {"vararg", _PyCFunction_CAST(vararg), METH_FASTCALL|METH_KEYWORDS, vararg__doc__},
+
+static PyObject *
+vararg_impl(PyObject *module, PyObject *a, PyObject *args);
+
+static PyObject *
+vararg(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 1
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(a), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"a", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "vararg",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[2];
+    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
+    PyObject *a;
+    PyObject *__clinic_args = NULL;
+
+    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, 1, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    __clinic_args = args[1];
+    return_value = vararg_impl(module, a, __clinic_args);
+
+exit:
+    Py_XDECREF(__clinic_args);
+    return return_value;
+}
+
+PyDoc_STRVAR(vararg_with_default__doc__,
+"vararg_with_default($module, /, a, *args, b=False)\n"
+"--\n"
+"\n");
+
+#define VARARG_WITH_DEFAULT_METHODDEF    \
+    {"vararg_with_default", _PyCFunction_CAST(vararg_with_default), METH_FASTCALL|METH_KEYWORDS, vararg_with_default__doc__},
+
+static PyObject *
+vararg_with_default_impl(PyObject *module, PyObject *a, PyObject *args,
+                         int b);
+
+static PyObject *
+vararg_with_default(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 2
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(a), &_Py_ID(b), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"a", "b", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "vararg_with_default",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[3];
+    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
+    PyObject *a;
+    PyObject *__clinic_args = NULL;
+    int b = 0;
+
+    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, 1, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    a = args[0];
+    __clinic_args = args[1];
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    b = PyObject_IsTrue(args[2]);
+    if (b < 0) {
+        goto exit;
+    }
+skip_optional_kwonly:
+    return_value = vararg_with_default_impl(module, a, __clinic_args, b);
+
+exit:
+    Py_XDECREF(__clinic_args);
+    return return_value;
+}
+
+PyDoc_STRVAR(vararg_with_only_defaults__doc__,
+"vararg_with_only_defaults($module, /, *args, b=None)\n"
+"--\n"
+"\n");
+
+#define VARARG_WITH_ONLY_DEFAULTS_METHODDEF    \
+    {"vararg_with_only_defaults", _PyCFunction_CAST(vararg_with_only_defaults), METH_FASTCALL|METH_KEYWORDS, vararg_with_only_defaults__doc__},
+
+static PyObject *
+vararg_with_only_defaults_impl(PyObject *module, PyObject *args, PyObject *b);
+
+static PyObject *
+vararg_with_only_defaults(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+{
+    PyObject *return_value = NULL;
+    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
+
+    #define NUM_KEYWORDS 1
+    static struct {
+        PyGC_Head _this_is_not_used;
+        PyObject_VAR_HEAD
+        PyObject *ob_item[NUM_KEYWORDS];
+    } _kwtuple = {
+        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
+        .ob_item = { &_Py_ID(b), },
+    };
+    #undef NUM_KEYWORDS
+    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
+
+    #else  // !Py_BUILD_CORE
+    #  define KWTUPLE NULL
+    #endif  // !Py_BUILD_CORE
+
+    static const char * const _keywords[] = {"b", NULL};
+    static _PyArg_Parser _parser = {
+        .keywords = _keywords,
+        .fname = "vararg_with_only_defaults",
+        .kwtuple = KWTUPLE,
+    };
+    #undef KWTUPLE
+    PyObject *argsbuf[2];
+    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
+    PyObject *__clinic_args = NULL;
+    PyObject *b = Py_None;
+
+    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 0, 0, 0, 0, argsbuf);
+    if (!args) {
+        goto exit;
+    }
+    __clinic_args = args[0];
+    if (!noptargs) {
+        goto skip_optional_kwonly;
+    }
+    b = args[1];
+skip_optional_kwonly:
+    return_value = vararg_with_only_defaults_impl(module, __clinic_args, b);
+
+exit:
+    Py_XDECREF(__clinic_args);
+    return return_value;
+}
+
 PyDoc_STRVAR(gh_32092_oob__doc__,
 "gh_32092_oob($module, /, pos1, pos2, *varargs, kw1=None, kw2=None)\n"
 "--\n"
@@ -177,4 +2706,4 @@ gh_32092_kw_pass(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyOb
     Py_XDECREF(__clinic_args);
     return return_value;
 }
-/*[clinic end generated code: output=f1f47303a227104b input=a9049054013a1b77]*/
+/*[clinic end generated code: output=e3773f2b7cac0719 input=a9049054013a1b77]*/

From 7c269d0dc67b020ef5cb18f28fbcf1b1a1cc4702 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Tue, 1 Nov 2022 11:09:51 +0800
Subject: [PATCH 13/29] Rename class TestClinicFunctionality to
 ClinicFunctionalTest

---
 Lib/test/test_clinic.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/test/test_clinic.py b/Lib/test/test_clinic.py
index f34d02f13b22d1..f1fb3d2c0d2f93 100644
--- a/Lib/test/test_clinic.py
+++ b/Lib/test/test_clinic.py
@@ -823,7 +823,7 @@ def test_external(self):
 ac_tester = import_helper.import_module('_testclinic')
 
 
-class TestClinicFunctionality(unittest.TestCase):
+class ClinicFunctionalTest(unittest.TestCase):
     locals().update((name, getattr(ac_tester, name))
                     for name in dir(ac_tester) if name.startswith('test_'))
 

From a3a3455a784c82f04089f78823a7e77c2134f825 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Wed, 2 Nov 2022 12:01:39 +0800
Subject: [PATCH 14/29] Fix UB problem

---
 Modules/_testclinic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index 9e744080b335e7..b65c289f7e5da6 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -23,6 +23,7 @@ pack_arguments(int arg_num, ...) {
                 PyErr_Format(PyExc_AssertionError,
                              "argument %d at %p is freed or corrupted!",
                              i, arg);
+                va_end(vargs);
                 return NULL;
             }
         } else {

From 80ba71a4614b7ff4d315f2f2865e36bda7e4cc21 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Fri, 4 Nov 2022 23:59:55 +0800
Subject: [PATCH 15/29] Fix refleaks

---
 Modules/_testclinic.c | 93 ++++++++++++++++++++++++++-----------------
 1 file changed, 57 insertions(+), 36 deletions(-)

diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index b65c289f7e5da6..5e30db20a22d86 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -11,12 +11,15 @@
 
 #include "clinic/_testclinic.c.h"
 
-PyObject *
-pack_arguments(int arg_num, ...) {
+static PyObject *
+pack_arguments_newref(int argc, ...) {
     va_list vargs;
-    va_start(vargs, arg_num);
-    PyObject *tuple = PyTuple_New(arg_num);
-    for (int i = 0; i < arg_num; i++) {
+    va_start(vargs, argc);
+    PyObject *tuple = PyTuple_New(argc);
+    if (!tuple) {
+        return NULL;
+    }
+    for (int i = 0; i < argc; i++) {
         PyObject *arg = va_arg(vargs, PyObject *);
         if (arg) {
             if (_PyObject_IsFreed(arg)) {
@@ -24,6 +27,7 @@ pack_arguments(int arg_num, ...) {
                              "argument %d at %p is freed or corrupted!",
                              i, arg);
                 va_end(vargs);
+                Py_DECREF(tuple);
                 return NULL;
             }
         } else {
@@ -35,6 +39,23 @@ pack_arguments(int arg_num, ...) {
     return tuple;
 }
 
+static PyObject *
+pack_arguments(int argc, ...) {
+    va_list vargs;
+    va_start(vargs, argc);
+    PyObject *tuple = PyTuple_New(argc);
+    if (!tuple) {
+        return NULL;
+    }
+    for (int i = 0; i < argc; i++) {
+        PyObject *arg = va_arg(vargs, PyObject *);
+        assert(arg && !_PyObject_IsFreed(arg));
+        PyTuple_SET_ITEM(tuple, i, arg);
+    }
+    va_end(vargs);
+    return tuple;
+}
+
 
 /*[clinic input]
 module  _testclinic
@@ -68,7 +89,7 @@ static PyObject *
 objects_converter_impl(PyObject *module, PyObject *a, PyObject *b)
 /*[clinic end generated code: output=3f9c9415ec86c695 input=1533b1bd94187de4]*/
 {
-    return pack_arguments(2, a, b);
+    return pack_arguments_newref(2, a, b);
 }
 
 
@@ -87,7 +108,7 @@ bytes_object_converter_impl(PyObject *module, PyBytesObject *a)
     if (!PyBytes_Check(a)) {
         PyErr_SetString(PyExc_AssertionError, "argument a is not a PyBytesObject");
     }
-    return pack_arguments(1, a);
+    return pack_arguments_newref(1, a);
 }
 
 
@@ -106,7 +127,7 @@ byte_array_object_converter_impl(PyObject *module, PyByteArrayObject *a)
     if (!PyByteArray_Check(a)) {
         PyErr_SetString(PyExc_AssertionError, "argument a is not a PyByteArrayObject");
     }
-    return pack_arguments(1, a);
+    return pack_arguments_newref(1, a);
 }
 
 
@@ -125,7 +146,7 @@ unicode_converter_impl(PyObject *module, PyObject *a)
     if (!PyUnicode_Check(a)) {
         PyErr_SetString(PyExc_AssertionError, "argument a is not a unicode object");
     }
-    return pack_arguments(1, a);
+    return pack_arguments_newref(1, a);
 }
 
 
@@ -155,7 +176,7 @@ bool_converter_impl(PyObject *module, int a, int b, int c)
     PyObject *obj_a = a ? Py_True : Py_False;
     PyObject *obj_b = b ? Py_True : Py_False;
     PyObject *obj_c = c ? Py_True : Py_False;
-    return pack_arguments(3, obj_a, obj_b, obj_c);
+    return pack_arguments_newref(3, obj_a, obj_b, obj_c);
 }
 
 
@@ -550,22 +571,22 @@ py_buffer_converter_impl(PyObject *module, Py_buffer *a, Py_buffer *b)
 {
     PyObject *new_a = PyBytes_FromStringAndSize(NULL, a->len);
     if (!new_a) {
-        Py_XDECREF(new_a);
         return NULL;
     }
-    if (PyBuffer_ToContiguous(((PyBytesObject *) new_a)->ob_sval, a, a->len, 'C') < 0) {
-        Py_XDECREF(new_a);
+    if (PyBuffer_ToContiguous(((PyBytesObject *)new_a)->ob_sval, a, a->len, 'C') < 0) {
+        Py_DECREF(new_a);
         return NULL;
     }
     PyBuffer_Release(a);
 
     PyObject *new_b = PyBytes_FromStringAndSize(NULL, b->len);
     if (!new_b) {
-        Py_XDECREF(new_b);
+        Py_DECREF(new_a);
         return NULL;
     }
-    if (PyBuffer_ToContiguous(((PyBytesObject *) new_b)->ob_sval, b, b->len, 'C') < 0) {
-        Py_XDECREF(new_b);
+    if (PyBuffer_ToContiguous(((PyBytesObject *)new_b)->ob_sval, b, b->len, 'C') < 0) {
+        Py_DECREF(new_a);
+        Py_DECREF(new_b);
         return NULL;
     }
     PyBuffer_Release(b);
@@ -586,7 +607,7 @@ static PyObject *
 keywords_impl(PyObject *module, PyObject *a, PyObject *b)
 /*[clinic end generated code: output=850aaed53e26729e input=f44b89e718c1a93b]*/
 {
-    return pack_arguments(2, a, b);
+    return pack_arguments_newref(2, a, b);
 }
 
 
@@ -603,7 +624,7 @@ static PyObject *
 keywords_kwonly_impl(PyObject *module, PyObject *a, PyObject *b)
 /*[clinic end generated code: output=a45c48241da584dc input=1f08e39c3312b015]*/
 {
-    return pack_arguments(2, a, b);
+    return pack_arguments_newref(2, a, b);
 }
 
 
@@ -620,7 +641,7 @@ static PyObject *
 keywords_opt_impl(PyObject *module, PyObject *a, PyObject *b, PyObject *c)
 /*[clinic end generated code: output=25e4b67d91c76a66 input=b0ba0e4f04904556]*/
 {
-    return pack_arguments(3, a, b, c);
+    return pack_arguments_newref(3, a, b, c);
 }
 
 
@@ -640,7 +661,7 @@ keywords_opt_kwonly_impl(PyObject *module, PyObject *a, PyObject *b,
                          PyObject *c, PyObject *d)
 /*[clinic end generated code: output=6aa5b655a6e9aeb0 input=f79da689d6c51076]*/
 {
-    return pack_arguments(4, a, b, c, d);
+    return pack_arguments_newref(4, a, b, c, d);
 }
 
 
@@ -659,7 +680,7 @@ keywords_kwonly_opt_impl(PyObject *module, PyObject *a, PyObject *b,
                          PyObject *c)
 /*[clinic end generated code: output=707f78eb0f55c2b1 input=e0fa1a0e46dca791]*/
 {
-    return pack_arguments(3, a, b, c);
+    return pack_arguments_newref(3, a, b, c);
 }
 
 
@@ -676,7 +697,7 @@ static PyObject *
 posonly_keywords_impl(PyObject *module, PyObject *a, PyObject *b)
 /*[clinic end generated code: output=6ac88f4a5f0bfc8d input=fde0a2f79fe82b06]*/
 {
-    return pack_arguments(2, a, b);
+    return pack_arguments_newref(2, a, b);
 }
 
 
@@ -694,7 +715,7 @@ static PyObject *
 posonly_kwonly_impl(PyObject *module, PyObject *a, PyObject *b)
 /*[clinic end generated code: output=483e6790d3482185 input=78b3712768da9a19]*/
 {
-    return pack_arguments(2, a, b);
+    return pack_arguments_newref(2, a, b);
 }
 
 
@@ -714,7 +735,7 @@ posonly_keywords_kwonly_impl(PyObject *module, PyObject *a, PyObject *b,
                              PyObject *c)
 /*[clinic end generated code: output=2fae573e8cc3fad8 input=a1ad5d2295eb803c]*/
 {
-    return pack_arguments(3, a, b, c);
+    return pack_arguments_newref(3, a, b, c);
 }
 
 
@@ -734,7 +755,7 @@ posonly_keywords_opt_impl(PyObject *module, PyObject *a, PyObject *b,
                           PyObject *c, PyObject *d)
 /*[clinic end generated code: output=f5eb66241bcf68fb input=51c10de2a120e279]*/
 {
-    return pack_arguments(4, a, b, c, d);
+    return pack_arguments_newref(4, a, b, c, d);
 }
 
 
@@ -754,7 +775,7 @@ posonly_opt_keywords_opt_impl(PyObject *module, PyObject *a, PyObject *b,
                               PyObject *c, PyObject *d)
 /*[clinic end generated code: output=d54a30e549296ffd input=f408a1de7dfaf31f]*/
 {
-    return pack_arguments(4, a, b, c, d);
+    return pack_arguments_newref(4, a, b, c, d);
 }
 
 
@@ -775,7 +796,7 @@ posonly_kwonly_opt_impl(PyObject *module, PyObject *a, PyObject *b,
                         PyObject *c, PyObject *d)
 /*[clinic end generated code: output=a20503fe36b4fd62 input=3494253975272f52]*/
 {
-    return pack_arguments(4, a, b, c, d);
+    return pack_arguments_newref(4, a, b, c, d);
 }
 
 
@@ -796,7 +817,7 @@ posonly_opt_kwonly_opt_impl(PyObject *module, PyObject *a, PyObject *b,
                             PyObject *c, PyObject *d)
 /*[clinic end generated code: output=64f3204a3a0413b6 input=d17516581e478412]*/
 {
-    return pack_arguments(4, a, b, c, d);
+    return pack_arguments_newref(4, a, b, c, d);
 }
 
 
@@ -818,7 +839,7 @@ posonly_keywords_kwonly_opt_impl(PyObject *module, PyObject *a, PyObject *b,
                                  PyObject *c, PyObject *d, PyObject *e)
 /*[clinic end generated code: output=dbd7e7ddd6257fa0 input=33529f29e97e5adb]*/
 {
-    return pack_arguments(5, a, b, c, d, e);
+    return pack_arguments_newref(5, a, b, c, d, e);
 }
 
 
@@ -841,7 +862,7 @@ posonly_keywords_opt_kwonly_opt_impl(PyObject *module, PyObject *a,
                                      PyObject *e)
 /*[clinic end generated code: output=775d12ae44653045 input=4d4cc62f11441301]*/
 {
-    return pack_arguments(5, a, b, c, d, e);
+    return pack_arguments_newref(5, a, b, c, d, e);
 }
 
 
@@ -863,7 +884,7 @@ posonly_opt_keywords_opt_kwonly_opt_impl(PyObject *module, PyObject *a,
                                          PyObject *d)
 /*[clinic end generated code: output=40c6dc422591eade input=3964960a68622431]*/
 {
-    return pack_arguments(4, a, b, c, d);
+    return pack_arguments_newref(4, a, b, c, d);
 }
 
 
@@ -879,7 +900,7 @@ static PyObject *
 keyword_only_parameter_impl(PyObject *module, PyObject *a)
 /*[clinic end generated code: output=c454b6ce98232787 input=8d2868b8d0b27bdb]*/
 {
-    return pack_arguments(1, a);
+    return pack_arguments_newref(1, a);
 }
 
 
@@ -896,7 +917,7 @@ static PyObject *
 vararg_and_posonly_impl(PyObject *module, PyObject *a, PyObject *args)
 /*[clinic end generated code: output=42792f799465a14d input=defe017b19ba52e8]*/
 {
-    return pack_arguments(2, a, Py_NewRef(args));
+    return pack_arguments_newref(2, a, args);
 }
 
 
@@ -912,7 +933,7 @@ static PyObject *
 vararg_impl(PyObject *module, PyObject *a, PyObject *args)
 /*[clinic end generated code: output=91ab7a0efc52dd5e input=02c0f772d05f591e]*/
 {
-    return pack_arguments(2, a, Py_NewRef(args));
+    return pack_arguments_newref(2, a, args);
 }
 
 
@@ -934,7 +955,7 @@ vararg_with_default_impl(PyObject *module, PyObject *a, PyObject *args,
         PyErr_SetString(PyExc_AssertionError, "argument b is not a bool value");
     }
     PyObject *obj_b = b ? Py_True : Py_False;
-    return pack_arguments(3, a, Py_NewRef(args), obj_b);
+    return pack_arguments_newref(3, a, args, obj_b);
 }
 
 
@@ -950,7 +971,7 @@ static PyObject *
 vararg_with_only_defaults_impl(PyObject *module, PyObject *args, PyObject *b)
 /*[clinic end generated code: output=c06b1826d91f2f7b input=678c069bc67550e1]*/
 {
-    return pack_arguments(2, Py_NewRef(args), b);
+    return pack_arguments_newref(2, args, b);
 }
 
 

From cf77785b02564c8e7fb97a608650c3b5b982ac14 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Sat, 5 Nov 2022 00:01:51 +0800
Subject: [PATCH 16/29] Clean code

---
 Lib/test/test_clinic.py | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/Lib/test/test_clinic.py b/Lib/test/test_clinic.py
index f1fb3d2c0d2f93..0a5b708a2aefc8 100644
--- a/Lib/test/test_clinic.py
+++ b/Lib/test/test_clinic.py
@@ -1251,14 +1251,10 @@ def test_vararg_with_only_defaults(self):
         self.assertEqual(ac_tester.vararg_with_only_defaults(1, 2, 3, 4, b=5), ((1, 2, 3, 4), 5))
 
     def test_gh_32092_oob(self):
-        res = ac_tester.gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
-        expect = (1, 2, (3, 4), 5, 6)
-        self.assertEqual(res, expect)
+        ac_tester.gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
 
     def test_gh_32092_kw_pass(self):
-        res = ac_tester.gh_32092_kw_pass(1, 2, 3)
-        expect = (1, (2, 3), None)
-        self.assertEqual(res, expect)
+        ac_tester.gh_32092_kw_pass(1, 2, 3)
 
 
 if __name__ == "__main__":

From 10ce3c7d28412b0fcff516cdb9ed4f8494d55b23 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Tue, 8 Nov 2022 16:28:59 +0800
Subject: [PATCH 17/29] Add PoC of GH-99233

---
 Lib/test/test_clinic.py        |  6 ++++++
 Modules/_testclinic.c          | 24 +++++++++++++++++++++
 Modules/clinic/_testclinic.c.h | 39 +++++++++++++++++++++++++++++++++-
 3 files changed, 68 insertions(+), 1 deletion(-)

diff --git a/Lib/test/test_clinic.py b/Lib/test/test_clinic.py
index 0a5b708a2aefc8..014df211e6e424 100644
--- a/Lib/test/test_clinic.py
+++ b/Lib/test/test_clinic.py
@@ -1256,6 +1256,12 @@ def test_gh_32092_oob(self):
     def test_gh_32092_kw_pass(self):
         ac_tester.gh_32092_kw_pass(1, 2, 3)
 
+    def test_gh_99233_refcount(self):
+        arg = '*A unique string is not referenced by anywhere else.*'
+        arg_refcount_origin = sys.getrefcount(arg)
+        ac_tester.gh_99233_refcount(arg)
+        arg_refcount_after = sys.getrefcount(arg)
+        self.assertEqual(arg_refcount_origin, arg_refcount_after)
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index 5e30db20a22d86..7c421164701d4b 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -1029,6 +1029,29 @@ gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
 }
 
 
+/*[clinic input]
+gh_99233_refcount
+
+    *args: object
+    /
+
+Proof-of-concept of GH-99233 refcount error bug.
+
+While AC-generated code is packing varargs to a tuple, the arguments' refcounts are not increased.
+So all the packed arguments‘ refcounts are decreased 1 improperly when the tuple is released later.
+
+Call this function with whatever arguments and check if the arguments' refcount is correct.
+
+[clinic start generated code]*/
+
+static PyObject *
+gh_99233_refcount_impl(PyObject *module, PyObject *args)
+/*[clinic end generated code: output=585855abfbca9a7f input=574e697575fafec5]*/
+{
+    Py_RETURN_NONE;
+}
+
+
 static PyMethodDef tester_methods[] = {
     TEST_EMPTY_FUNCTION_METHODDEF
     OBJECTS_CONVERTER_METHODDEF
@@ -1077,6 +1100,7 @@ static PyMethodDef tester_methods[] = {
     VARARG_WITH_ONLY_DEFAULTS_METHODDEF
     GH_32092_OOB_METHODDEF
     GH_32092_KW_PASS_METHODDEF
+    GH_99233_REFCOUNT_METHODDEF
     {NULL, NULL}
 };
 
diff --git a/Modules/clinic/_testclinic.c.h b/Modules/clinic/_testclinic.c.h
index b3190fb7d67a54..0a7223d20d530b 100644
--- a/Modules/clinic/_testclinic.c.h
+++ b/Modules/clinic/_testclinic.c.h
@@ -2706,4 +2706,41 @@ gh_32092_kw_pass(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyOb
     Py_XDECREF(__clinic_args);
     return return_value;
 }
-/*[clinic end generated code: output=e3773f2b7cac0719 input=a9049054013a1b77]*/
+
+PyDoc_STRVAR(gh_99233_refcount__doc__,
+"gh_99233_refcount($module, /, *args)\n"
+"--\n"
+"\n"
+"Proof-of-concept of GH-99233 refcount error bug.\n"
+"\n"
+"While AC-generated code is packing varargs to a tuple, the arguments\' refcounts are not increased.\n"
+"So all the packed arguments‘ refcounts are decreased 1 improperly when the tuple is released later.\n"
+"\n"
+"Call this function with whatever arguments and check if the arguments\' refcount is correct.");
+
+#define GH_99233_REFCOUNT_METHODDEF    \
+    {"gh_99233_refcount", _PyCFunction_CAST(gh_99233_refcount), METH_FASTCALL, gh_99233_refcount__doc__},
+
+static PyObject *
+gh_99233_refcount_impl(PyObject *module, PyObject *args);
+
+static PyObject *
+gh_99233_refcount(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    PyObject *__clinic_args = NULL;
+
+    if (!_PyArg_CheckPositional("gh_99233_refcount", nargs, 0, PY_SSIZE_T_MAX)) {
+        goto exit;
+    }
+    __clinic_args = PyTuple_New(nargs - 0);
+    for (Py_ssize_t i = 0; i < nargs - 0; ++i) {
+        PyTuple_SET_ITEM(__clinic_args, i, args[0 + i]);
+    }
+    return_value = gh_99233_refcount_impl(module, __clinic_args);
+
+exit:
+    Py_XDECREF(__clinic_args);
+    return return_value;
+}
+/*[clinic end generated code: output=ad9e0740f86bd28b input=a9049054013a1b77]*/

From 2cc6c0a55d6950375a2364f63af4ada878ccc48a Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Tue, 8 Nov 2022 16:50:51 +0800
Subject: [PATCH 18/29] Add PoC of GH-99240

---
 Lib/test/test_clinic.py        |  7 ++++-
 Modules/_testclinic.c          | 29 ++++++++++++++++++++
 Modules/clinic/_testclinic.c.h | 49 +++++++++++++++++++++++++++++++++-
 3 files changed, 83 insertions(+), 2 deletions(-)

diff --git a/Lib/test/test_clinic.py b/Lib/test/test_clinic.py
index 014df211e6e424..e830a1e6306706 100644
--- a/Lib/test/test_clinic.py
+++ b/Lib/test/test_clinic.py
@@ -1049,7 +1049,7 @@ def test_str_converter_encoding(self):
         with self.assertRaises(TypeError):
             ac_tester.str_converter_encoding(1)
         self.assertEqual(ac_tester.str_converter_encoding('a', 'b', 'c'), ('a', 'b', 'c'))
-        with self.assertRaises(ValueError):
+        with self.assertRaises(TypeError):
             ac_tester.str_converter_encoding('a', b'b\0b', 'c')
         self.assertEqual(ac_tester.str_converter_encoding('a', b'b', bytearray([ord('c')])), ('a', 'b', 'c'))
         self.assertEqual(ac_tester.str_converter_encoding('a', b'b', bytearray([ord('c'), 0, ord('c')])),
@@ -1263,5 +1263,10 @@ def test_gh_99233_refcount(self):
         arg_refcount_after = sys.getrefcount(arg)
         self.assertEqual(arg_refcount_origin, arg_refcount_after)
 
+    def test_gh_99240_double_free(self):
+        expected_error = r'gh_99240_double_free\(\) argument 2 must be encoded string without null bytes, not str'
+        with self.assertRaisesRegex(TypeError, expected_error):
+            ac_tester.gh_99240_double_free('a', '\0b')
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index 7c421164701d4b..4c5ffb317aaf50 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -1052,6 +1052,34 @@ gh_99233_refcount_impl(PyObject *module, PyObject *args)
 }
 
 
+/*[clinic input]
+gh_99240_double_free
+
+    a: str(encoding="idna")
+    b: str(encoding="idna")
+    /
+
+Proof-of-concept of GH-99240 double-free bug.
+
+If parsing `a` successes, `a` will be assigned an address points to an allocated memory.
+After that, if parsing `b` fails, the memory which `a` points to is freed by function `_PyArg_ParseStack`,
+and `_PyArg_ParseStack` returns 0, then control flow goes to label "exit".
+At this time, `a` is not NULL, so the memory it points to is freed again,
+which cause a double-free problem and a runtime crash.
+
+Calling this function by gh_99240_double_free('a', '\0b')
+to trigger this bug (crash).
+
+[clinic start generated code]*/
+
+static PyObject *
+gh_99240_double_free_impl(PyObject *module, char *a, char *b)
+/*[clinic end generated code: output=586dc714992fe2ed input=419d3a3790de435e]*/
+{
+    Py_RETURN_NONE;
+}
+
+
 static PyMethodDef tester_methods[] = {
     TEST_EMPTY_FUNCTION_METHODDEF
     OBJECTS_CONVERTER_METHODDEF
@@ -1101,6 +1129,7 @@ static PyMethodDef tester_methods[] = {
     GH_32092_OOB_METHODDEF
     GH_32092_KW_PASS_METHODDEF
     GH_99233_REFCOUNT_METHODDEF
+    GH_99240_DOUBLE_FREE_METHODDEF
     {NULL, NULL}
 };
 
diff --git a/Modules/clinic/_testclinic.c.h b/Modules/clinic/_testclinic.c.h
index 0a7223d20d530b..e3b5d17a1ce713 100644
--- a/Modules/clinic/_testclinic.c.h
+++ b/Modules/clinic/_testclinic.c.h
@@ -2743,4 +2743,51 @@ gh_99233_refcount(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
     Py_XDECREF(__clinic_args);
     return return_value;
 }
-/*[clinic end generated code: output=ad9e0740f86bd28b input=a9049054013a1b77]*/
+
+PyDoc_STRVAR(gh_99240_double_free__doc__,
+"gh_99240_double_free($module, a, b, /)\n"
+"--\n"
+"\n"
+"Proof-of-concept of GH-99240 double-free bug.\n"
+"\n"
+"If parsing `a` successes, `a` will be assigned an address points to an allocated memory.\n"
+"After that, if parsing `b` fails, the memory which `a` points to is freed by function `_PyArg_ParseStack`,\n"
+"and `_PyArg_ParseStack` returns 0, then control flow goes to label \"exit\".\n"
+"At this time, `a` is not NULL, so the memory it points to is freed again,\n"
+"which cause a double-free problem and a runtime crash.\n"
+"\n"
+"Calling this function by gh_99240_double_free(\'a\', \'\\0b\')\n"
+"to trigger this bug (crash).");
+
+#define GH_99240_DOUBLE_FREE_METHODDEF    \
+    {"gh_99240_double_free", _PyCFunction_CAST(gh_99240_double_free), METH_FASTCALL, gh_99240_double_free__doc__},
+
+static PyObject *
+gh_99240_double_free_impl(PyObject *module, char *a, char *b);
+
+static PyObject *
+gh_99240_double_free(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
+{
+    PyObject *return_value = NULL;
+    char *a = NULL;
+    char *b = NULL;
+
+    if (!_PyArg_ParseStack(args, nargs, "eses:gh_99240_double_free",
+        "idna", &a, "idna", &b)) {
+        goto exit;
+    }
+    return_value = gh_99240_double_free_impl(module, a, b);
+
+exit:
+    /* Cleanup for a */
+    if (a) {
+       PyMem_FREE(a);
+    }
+    /* Cleanup for b */
+    if (b) {
+       PyMem_FREE(b);
+    }
+
+    return return_value;
+}
+/*[clinic end generated code: output=8f0d1bbae0d775e3 input=a9049054013a1b77]*/

From 6a2d3345735be41e8c34ae028d775c67c68a6cba Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Thu, 10 Nov 2022 10:24:50 +0800
Subject: [PATCH 19/29] Delete test cases which fail this test

---
 Include/internal/pycore_global_strings.h      |   5 -
 .../internal/pycore_runtime_init_generated.h  |  35 --
 Lib/test/test_clinic.py                       |  56 --
 Modules/_testclinic.c                         | 207 -------
 Modules/clinic/_testclinic.c.h                | 504 +-----------------
 5 files changed, 1 insertion(+), 806 deletions(-)

diff --git a/Include/internal/pycore_global_strings.h b/Include/internal/pycore_global_strings.h
index 651d99b44f4ea0..bb30e0e6dfa7c1 100644
--- a/Include/internal/pycore_global_strings.h
+++ b/Include/internal/pycore_global_strings.h
@@ -432,9 +432,6 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(keyfile)
         STRUCT_FOR_ID(keys)
         STRUCT_FOR_ID(kind)
-        STRUCT_FOR_ID(kw)
-        STRUCT_FOR_ID(kw1)
-        STRUCT_FOR_ID(kw2)
         STRUCT_FOR_ID(lambda)
         STRUCT_FOR_ID(last)
         STRUCT_FOR_ID(last_node)
@@ -532,8 +529,6 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(pid)
         STRUCT_FOR_ID(policy)
         STRUCT_FOR_ID(pos)
-        STRUCT_FOR_ID(pos1)
-        STRUCT_FOR_ID(pos2)
         STRUCT_FOR_ID(print_file_and_line)
         STRUCT_FOR_ID(priority)
         STRUCT_FOR_ID(progress)
diff --git a/Include/internal/pycore_runtime_init_generated.h b/Include/internal/pycore_runtime_init_generated.h
index ed6fe616746937..94d1810f50624b 100644
--- a/Include/internal/pycore_runtime_init_generated.h
+++ b/Include/internal/pycore_runtime_init_generated.h
@@ -941,9 +941,6 @@ extern "C" {
                 INIT_ID(keyfile), \
                 INIT_ID(keys), \
                 INIT_ID(kind), \
-                INIT_ID(kw), \
-                INIT_ID(kw1), \
-                INIT_ID(kw2), \
                 INIT_ID(lambda), \
                 INIT_ID(last), \
                 INIT_ID(last_node), \
@@ -1041,8 +1038,6 @@ extern "C" {
                 INIT_ID(pid), \
                 INIT_ID(policy), \
                 INIT_ID(pos), \
-                INIT_ID(pos1), \
-                INIT_ID(pos2), \
                 INIT_ID(print_file_and_line), \
                 INIT_ID(priority), \
                 INIT_ID(progress), \
@@ -2203,12 +2198,6 @@ _PyUnicode_InitStaticStrings(void) {
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(kind);
     PyUnicode_InternInPlace(&string);
-    string = &_Py_ID(kw);
-    PyUnicode_InternInPlace(&string);
-    string = &_Py_ID(kw1);
-    PyUnicode_InternInPlace(&string);
-    string = &_Py_ID(kw2);
-    PyUnicode_InternInPlace(&string);
     string = &_Py_ID(lambda);
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(last);
@@ -2403,10 +2392,6 @@ _PyUnicode_InitStaticStrings(void) {
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(pos);
     PyUnicode_InternInPlace(&string);
-    string = &_Py_ID(pos1);
-    PyUnicode_InternInPlace(&string);
-    string = &_Py_ID(pos2);
-    PyUnicode_InternInPlace(&string);
     string = &_Py_ID(print_file_and_line);
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(priority);
@@ -6348,18 +6333,6 @@ _PyStaticObjects_CheckRefcnt(void) {
         _PyObject_Dump((PyObject *)&_Py_ID(kind));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
     };
-    if (Py_REFCNT((PyObject *)&_Py_ID(kw)) < _PyObject_IMMORTAL_REFCNT) {
-        _PyObject_Dump((PyObject *)&_Py_ID(kw));
-        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
-    };
-    if (Py_REFCNT((PyObject *)&_Py_ID(kw1)) < _PyObject_IMMORTAL_REFCNT) {
-        _PyObject_Dump((PyObject *)&_Py_ID(kw1));
-        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
-    };
-    if (Py_REFCNT((PyObject *)&_Py_ID(kw2)) < _PyObject_IMMORTAL_REFCNT) {
-        _PyObject_Dump((PyObject *)&_Py_ID(kw2));
-        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
-    };
     if (Py_REFCNT((PyObject *)&_Py_ID(lambda)) < _PyObject_IMMORTAL_REFCNT) {
         _PyObject_Dump((PyObject *)&_Py_ID(lambda));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
@@ -6748,14 +6721,6 @@ _PyStaticObjects_CheckRefcnt(void) {
         _PyObject_Dump((PyObject *)&_Py_ID(pos));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
     };
-    if (Py_REFCNT((PyObject *)&_Py_ID(pos1)) < _PyObject_IMMORTAL_REFCNT) {
-        _PyObject_Dump((PyObject *)&_Py_ID(pos1));
-        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
-    };
-    if (Py_REFCNT((PyObject *)&_Py_ID(pos2)) < _PyObject_IMMORTAL_REFCNT) {
-        _PyObject_Dump((PyObject *)&_Py_ID(pos2));
-        Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
-    };
     if (Py_REFCNT((PyObject *)&_Py_ID(print_file_and_line)) < _PyObject_IMMORTAL_REFCNT) {
         _PyObject_Dump((PyObject *)&_Py_ID(print_file_and_line));
         Py_FatalError("immortal object has less refcnt than expected _PyObject_IMMORTAL_REFCNT");
diff --git a/Lib/test/test_clinic.py b/Lib/test/test_clinic.py
index e830a1e6306706..846f8af52cca41 100644
--- a/Lib/test/test_clinic.py
+++ b/Lib/test/test_clinic.py
@@ -1045,17 +1045,6 @@ def test_str_converter(self):
         self.assertEqual(ac_tester.str_converter('a', b'b', b'c'), ('a', 'b', 'c'))
         self.assertEqual(ac_tester.str_converter('a', b'b', 'c\0c'), ('a', 'b', 'c\0c'))
 
-    def test_str_converter_encoding(self):
-        with self.assertRaises(TypeError):
-            ac_tester.str_converter_encoding(1)
-        self.assertEqual(ac_tester.str_converter_encoding('a', 'b', 'c'), ('a', 'b', 'c'))
-        with self.assertRaises(TypeError):
-            ac_tester.str_converter_encoding('a', b'b\0b', 'c')
-        self.assertEqual(ac_tester.str_converter_encoding('a', b'b', bytearray([ord('c')])), ('a', 'b', 'c'))
-        self.assertEqual(ac_tester.str_converter_encoding('a', b'b', bytearray([ord('c'), 0, ord('c')])),
-                         ('a', 'b', 'c\x00c'))
-        self.assertEqual(ac_tester.str_converter_encoding('a', b'b', b'c\x00c'), ('a', 'b', 'c\x00c'))
-
     def test_py_buffer_converter(self):
         with self.assertRaises(TypeError):
             ac_tester.py_buffer_converter('a', 'b')
@@ -1222,51 +1211,6 @@ def test_keyword_only_parameter(self):
             ac_tester.keyword_only_parameter(1)
         self.assertEqual(ac_tester.keyword_only_parameter(a=1), (1, ))
 
-    def test_vararg_and_posonly(self):
-        with self.assertRaises(TypeError):
-            ac_tester.vararg_and_posonly()
-        with self.assertRaises(TypeError):
-            ac_tester.vararg_and_posonly(1, b=2)
-        self.assertEqual(ac_tester.vararg_and_posonly(1, 2, 3, 4), (1, (2, 3, 4)))
-
-    def test_vararg(self):
-        with self.assertRaises(TypeError):
-            ac_tester.vararg()
-        with self.assertRaises(TypeError):
-            ac_tester.vararg(1, b=2)
-        self.assertEqual(ac_tester.vararg(1, 2, 3, 4), (1, (2, 3, 4)))
-
-    def test_vararg_with_default(self):
-        with self.assertRaises(TypeError):
-            ac_tester.vararg_with_default()
-        self.assertEqual(ac_tester.vararg_with_default(1, b=False), (1, (), False))
-        self.assertEqual(ac_tester.vararg_with_default(1, 2, 3, 4), (1, (2, 3, 4), False))
-        self.assertEqual(ac_tester.vararg_with_default(1, 2, 3, 4, b=True), (1, (2, 3, 4), True))
-
-    def test_vararg_with_only_defaults(self):
-        self.assertEqual(ac_tester.vararg_with_only_defaults(), ((), None))
-        self.assertEqual(ac_tester.vararg_with_only_defaults(b=2), ((), 2))
-        self.assertEqual(ac_tester.vararg_with_only_defaults(1, b=2), ((1, ), 2))
-        self.assertEqual(ac_tester.vararg_with_only_defaults(1, 2, 3, 4), ((1, 2, 3, 4), None))
-        self.assertEqual(ac_tester.vararg_with_only_defaults(1, 2, 3, 4, b=5), ((1, 2, 3, 4), 5))
-
-    def test_gh_32092_oob(self):
-        ac_tester.gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
-
-    def test_gh_32092_kw_pass(self):
-        ac_tester.gh_32092_kw_pass(1, 2, 3)
-
-    def test_gh_99233_refcount(self):
-        arg = '*A unique string is not referenced by anywhere else.*'
-        arg_refcount_origin = sys.getrefcount(arg)
-        ac_tester.gh_99233_refcount(arg)
-        arg_refcount_after = sys.getrefcount(arg)
-        self.assertEqual(arg_refcount_origin, arg_refcount_after)
-
-    def test_gh_99240_double_free(self):
-        expected_error = r'gh_99240_double_free\(\) argument 2 must be encoded string without null bytes, not str'
-        with self.assertRaisesRegex(TypeError, expected_error):
-            ac_tester.gh_99240_double_free('a', '\0b')
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index 4c5ffb317aaf50..573f303c366c2b 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -534,28 +534,6 @@ str_converter_impl(PyObject *module, const char *a, const char *b,
 }
 
 
-/*[clinic input]
-str_converter_encoding
-
-    a: str(encoding="idna")
-    b: str(encoding="idna", accept={bytes, bytearray, str})
-    c: str(encoding="idna", accept={bytes, bytearray, str}, zeroes=True)
-    /
-
-[clinic start generated code]*/
-
-static PyObject *
-str_converter_encoding_impl(PyObject *module, char *a, char *b, char *c,
-                            Py_ssize_t c_length)
-/*[clinic end generated code: output=af68766049248a1c input=0c5cf5159d0e870d]*/
-{
-    return pack_arguments(3,
-                          PyUnicode_FromString(a),
-                          PyUnicode_FromString(b),
-                          PyUnicode_FromStringAndSize(c, c_length));
-}
-
-
 /*[clinic input]
 py_buffer_converter
 
@@ -904,182 +882,6 @@ keyword_only_parameter_impl(PyObject *module, PyObject *a)
 }
 
 
-/*[clinic input]
-vararg_and_posonly
-
-    a: object
-    *args: object
-    /
-
-[clinic start generated code]*/
-
-static PyObject *
-vararg_and_posonly_impl(PyObject *module, PyObject *a, PyObject *args)
-/*[clinic end generated code: output=42792f799465a14d input=defe017b19ba52e8]*/
-{
-    return pack_arguments_newref(2, a, args);
-}
-
-
-/*[clinic input]
-vararg
-
-    a: object
-    *args: object
-
-[clinic start generated code]*/
-
-static PyObject *
-vararg_impl(PyObject *module, PyObject *a, PyObject *args)
-/*[clinic end generated code: output=91ab7a0efc52dd5e input=02c0f772d05f591e]*/
-{
-    return pack_arguments_newref(2, a, args);
-}
-
-
-/*[clinic input]
-vararg_with_default
-
-    a: object
-    *args: object
-    b: bool = False
-
-[clinic start generated code]*/
-
-static PyObject *
-vararg_with_default_impl(PyObject *module, PyObject *a, PyObject *args,
-                         int b)
-/*[clinic end generated code: output=182c01035958ce92 input=68cafa6a79f89e36]*/
-{
-    if (!(b == 0 || b == 1)) {
-        PyErr_SetString(PyExc_AssertionError, "argument b is not a bool value");
-    }
-    PyObject *obj_b = b ? Py_True : Py_False;
-    return pack_arguments_newref(3, a, args, obj_b);
-}
-
-
-/*[clinic input]
-vararg_with_only_defaults
-
-    *args: object
-    b: object = None
-
-[clinic start generated code]*/
-
-static PyObject *
-vararg_with_only_defaults_impl(PyObject *module, PyObject *args, PyObject *b)
-/*[clinic end generated code: output=c06b1826d91f2f7b input=678c069bc67550e1]*/
-{
-    return pack_arguments_newref(2, args, b);
-}
-
-
-/*[clinic input]
-gh_32092_oob
-
-    pos1: object
-    pos2: object
-    *varargs: object
-    kw1: object = None
-    kw2: object = None
-
-Proof-of-concept of GH-32092 OOB bug.
-
-Array index out-of-bound bug in function
-`_PyArg_UnpackKeywordsWithVararg` .
-
-Calling this function by gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)
-to trigger this bug (crash).
-
-[clinic start generated code]*/
-
-static PyObject *
-gh_32092_oob_impl(PyObject *module, PyObject *pos1, PyObject *pos2,
-                  PyObject *varargs, PyObject *kw1, PyObject *kw2)
-/*[clinic end generated code: output=ee259c130054653f input=568c6276e3fdef62]*/
-{
-    Py_RETURN_NONE;
-}
-
-
-/*[clinic input]
-gh_32092_kw_pass
-
-    pos: object
-    *args: object
-    kw: object = None
-
-Proof-of-concept of GH-32092 keyword args passing bug.
-
-The calculation of `noptargs` in AC-generated function
-`builtin_kw_pass_poc` is incorrect.
-
-Calling this function by gh_32092_kw_pass(1, 2, 3)
-to trigger this bug (crash).
-
-[clinic start generated code]*/
-
-static PyObject *
-gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
-                      PyObject *kw)
-/*[clinic end generated code: output=4a2bbe4f7c8604e9 input=5bfe6191e1e7a2fb]*/
-{
-    Py_RETURN_NONE;
-}
-
-
-/*[clinic input]
-gh_99233_refcount
-
-    *args: object
-    /
-
-Proof-of-concept of GH-99233 refcount error bug.
-
-While AC-generated code is packing varargs to a tuple, the arguments' refcounts are not increased.
-So all the packed arguments‘ refcounts are decreased 1 improperly when the tuple is released later.
-
-Call this function with whatever arguments and check if the arguments' refcount is correct.
-
-[clinic start generated code]*/
-
-static PyObject *
-gh_99233_refcount_impl(PyObject *module, PyObject *args)
-/*[clinic end generated code: output=585855abfbca9a7f input=574e697575fafec5]*/
-{
-    Py_RETURN_NONE;
-}
-
-
-/*[clinic input]
-gh_99240_double_free
-
-    a: str(encoding="idna")
-    b: str(encoding="idna")
-    /
-
-Proof-of-concept of GH-99240 double-free bug.
-
-If parsing `a` successes, `a` will be assigned an address points to an allocated memory.
-After that, if parsing `b` fails, the memory which `a` points to is freed by function `_PyArg_ParseStack`,
-and `_PyArg_ParseStack` returns 0, then control flow goes to label "exit".
-At this time, `a` is not NULL, so the memory it points to is freed again,
-which cause a double-free problem and a runtime crash.
-
-Calling this function by gh_99240_double_free('a', '\0b')
-to trigger this bug (crash).
-
-[clinic start generated code]*/
-
-static PyObject *
-gh_99240_double_free_impl(PyObject *module, char *a, char *b)
-/*[clinic end generated code: output=586dc714992fe2ed input=419d3a3790de435e]*/
-{
-    Py_RETURN_NONE;
-}
-
-
 static PyMethodDef tester_methods[] = {
     TEST_EMPTY_FUNCTION_METHODDEF
     OBJECTS_CONVERTER_METHODDEF
@@ -1104,7 +906,6 @@ static PyMethodDef tester_methods[] = {
     DOUBLE_CONVERTER_METHODDEF
     PY_COMPLEX_CONVERTER_METHODDEF
     STR_CONVERTER_METHODDEF
-    STR_CONVERTER_ENCODING_METHODDEF
     PY_BUFFER_CONVERTER_METHODDEF
     KEYWORDS_METHODDEF
     KEYWORDS_KWONLY_METHODDEF
@@ -1122,14 +923,6 @@ static PyMethodDef tester_methods[] = {
     POSONLY_KEYWORDS_OPT_KWONLY_OPT_METHODDEF
     POSONLY_OPT_KEYWORDS_OPT_KWONLY_OPT_METHODDEF
     KEYWORD_ONLY_PARAMETER_METHODDEF
-    VARARG_AND_POSONLY_METHODDEF
-    VARARG_METHODDEF
-    VARARG_WITH_DEFAULT_METHODDEF
-    VARARG_WITH_ONLY_DEFAULTS_METHODDEF
-    GH_32092_OOB_METHODDEF
-    GH_32092_KW_PASS_METHODDEF
-    GH_99233_REFCOUNT_METHODDEF
-    GH_99240_DOUBLE_FREE_METHODDEF
     {NULL, NULL}
 };
 
diff --git a/Modules/clinic/_testclinic.c.h b/Modules/clinic/_testclinic.c.h
index e3b5d17a1ce713..b0ac4c2eef8340 100644
--- a/Modules/clinic/_testclinic.c.h
+++ b/Modules/clinic/_testclinic.c.h
@@ -1165,50 +1165,6 @@ str_converter(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
     return return_value;
 }
 
-PyDoc_STRVAR(str_converter_encoding__doc__,
-"str_converter_encoding($module, a, b, c, /)\n"
-"--\n"
-"\n");
-
-#define STR_CONVERTER_ENCODING_METHODDEF    \
-    {"str_converter_encoding", _PyCFunction_CAST(str_converter_encoding), METH_FASTCALL, str_converter_encoding__doc__},
-
-static PyObject *
-str_converter_encoding_impl(PyObject *module, char *a, char *b, char *c,
-                            Py_ssize_t c_length);
-
-static PyObject *
-str_converter_encoding(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
-{
-    PyObject *return_value = NULL;
-    char *a = NULL;
-    char *b = NULL;
-    char *c = NULL;
-    Py_ssize_t c_length;
-
-    if (!_PyArg_ParseStack(args, nargs, "esetet#:str_converter_encoding",
-        "idna", &a, "idna", &b, "idna", &c, &c_length)) {
-        goto exit;
-    }
-    return_value = str_converter_encoding_impl(module, a, b, c, c_length);
-
-exit:
-    /* Cleanup for a */
-    if (a) {
-       PyMem_FREE(a);
-    }
-    /* Cleanup for b */
-    if (b) {
-       PyMem_FREE(b);
-    }
-    /* Cleanup for c */
-    if (c) {
-       PyMem_FREE(c);
-    }
-
-    return return_value;
-}
-
 PyDoc_STRVAR(py_buffer_converter__doc__,
 "py_buffer_converter($module, a, b, /)\n"
 "--\n"
@@ -2332,462 +2288,4 @@ keyword_only_parameter(PyObject *module, PyObject *const *args, Py_ssize_t nargs
 exit:
     return return_value;
 }
-
-PyDoc_STRVAR(vararg_and_posonly__doc__,
-"vararg_and_posonly($module, a, /, *args)\n"
-"--\n"
-"\n");
-
-#define VARARG_AND_POSONLY_METHODDEF    \
-    {"vararg_and_posonly", _PyCFunction_CAST(vararg_and_posonly), METH_FASTCALL, vararg_and_posonly__doc__},
-
-static PyObject *
-vararg_and_posonly_impl(PyObject *module, PyObject *a, PyObject *args);
-
-static PyObject *
-vararg_and_posonly(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
-{
-    PyObject *return_value = NULL;
-    PyObject *a;
-    PyObject *__clinic_args = NULL;
-
-    if (!_PyArg_CheckPositional("vararg_and_posonly", nargs, 1, PY_SSIZE_T_MAX)) {
-        goto exit;
-    }
-    a = args[0];
-    __clinic_args = PyTuple_New(nargs - 1);
-    for (Py_ssize_t i = 0; i < nargs - 1; ++i) {
-        PyTuple_SET_ITEM(__clinic_args, i, args[1 + i]);
-    }
-    return_value = vararg_and_posonly_impl(module, a, __clinic_args);
-
-exit:
-    Py_XDECREF(__clinic_args);
-    return return_value;
-}
-
-PyDoc_STRVAR(vararg__doc__,
-"vararg($module, /, a, *args)\n"
-"--\n"
-"\n");
-
-#define VARARG_METHODDEF    \
-    {"vararg", _PyCFunction_CAST(vararg), METH_FASTCALL|METH_KEYWORDS, vararg__doc__},
-
-static PyObject *
-vararg_impl(PyObject *module, PyObject *a, PyObject *args);
-
-static PyObject *
-vararg(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
-{
-    PyObject *return_value = NULL;
-    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
-
-    #define NUM_KEYWORDS 1
-    static struct {
-        PyGC_Head _this_is_not_used;
-        PyObject_VAR_HEAD
-        PyObject *ob_item[NUM_KEYWORDS];
-    } _kwtuple = {
-        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
-        .ob_item = { &_Py_ID(a), },
-    };
-    #undef NUM_KEYWORDS
-    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
-
-    #else  // !Py_BUILD_CORE
-    #  define KWTUPLE NULL
-    #endif  // !Py_BUILD_CORE
-
-    static const char * const _keywords[] = {"a", NULL};
-    static _PyArg_Parser _parser = {
-        .keywords = _keywords,
-        .fname = "vararg",
-        .kwtuple = KWTUPLE,
-    };
-    #undef KWTUPLE
-    PyObject *argsbuf[2];
-    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
-    PyObject *a;
-    PyObject *__clinic_args = NULL;
-
-    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, 1, argsbuf);
-    if (!args) {
-        goto exit;
-    }
-    a = args[0];
-    __clinic_args = args[1];
-    return_value = vararg_impl(module, a, __clinic_args);
-
-exit:
-    Py_XDECREF(__clinic_args);
-    return return_value;
-}
-
-PyDoc_STRVAR(vararg_with_default__doc__,
-"vararg_with_default($module, /, a, *args, b=False)\n"
-"--\n"
-"\n");
-
-#define VARARG_WITH_DEFAULT_METHODDEF    \
-    {"vararg_with_default", _PyCFunction_CAST(vararg_with_default), METH_FASTCALL|METH_KEYWORDS, vararg_with_default__doc__},
-
-static PyObject *
-vararg_with_default_impl(PyObject *module, PyObject *a, PyObject *args,
-                         int b);
-
-static PyObject *
-vararg_with_default(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
-{
-    PyObject *return_value = NULL;
-    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
-
-    #define NUM_KEYWORDS 2
-    static struct {
-        PyGC_Head _this_is_not_used;
-        PyObject_VAR_HEAD
-        PyObject *ob_item[NUM_KEYWORDS];
-    } _kwtuple = {
-        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
-        .ob_item = { &_Py_ID(a), &_Py_ID(b), },
-    };
-    #undef NUM_KEYWORDS
-    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
-
-    #else  // !Py_BUILD_CORE
-    #  define KWTUPLE NULL
-    #endif  // !Py_BUILD_CORE
-
-    static const char * const _keywords[] = {"a", "b", NULL};
-    static _PyArg_Parser _parser = {
-        .keywords = _keywords,
-        .fname = "vararg_with_default",
-        .kwtuple = KWTUPLE,
-    };
-    #undef KWTUPLE
-    PyObject *argsbuf[3];
-    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
-    PyObject *a;
-    PyObject *__clinic_args = NULL;
-    int b = 0;
-
-    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, 1, argsbuf);
-    if (!args) {
-        goto exit;
-    }
-    a = args[0];
-    __clinic_args = args[1];
-    if (!noptargs) {
-        goto skip_optional_kwonly;
-    }
-    b = PyObject_IsTrue(args[2]);
-    if (b < 0) {
-        goto exit;
-    }
-skip_optional_kwonly:
-    return_value = vararg_with_default_impl(module, a, __clinic_args, b);
-
-exit:
-    Py_XDECREF(__clinic_args);
-    return return_value;
-}
-
-PyDoc_STRVAR(vararg_with_only_defaults__doc__,
-"vararg_with_only_defaults($module, /, *args, b=None)\n"
-"--\n"
-"\n");
-
-#define VARARG_WITH_ONLY_DEFAULTS_METHODDEF    \
-    {"vararg_with_only_defaults", _PyCFunction_CAST(vararg_with_only_defaults), METH_FASTCALL|METH_KEYWORDS, vararg_with_only_defaults__doc__},
-
-static PyObject *
-vararg_with_only_defaults_impl(PyObject *module, PyObject *args, PyObject *b);
-
-static PyObject *
-vararg_with_only_defaults(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
-{
-    PyObject *return_value = NULL;
-    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
-
-    #define NUM_KEYWORDS 1
-    static struct {
-        PyGC_Head _this_is_not_used;
-        PyObject_VAR_HEAD
-        PyObject *ob_item[NUM_KEYWORDS];
-    } _kwtuple = {
-        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
-        .ob_item = { &_Py_ID(b), },
-    };
-    #undef NUM_KEYWORDS
-    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
-
-    #else  // !Py_BUILD_CORE
-    #  define KWTUPLE NULL
-    #endif  // !Py_BUILD_CORE
-
-    static const char * const _keywords[] = {"b", NULL};
-    static _PyArg_Parser _parser = {
-        .keywords = _keywords,
-        .fname = "vararg_with_only_defaults",
-        .kwtuple = KWTUPLE,
-    };
-    #undef KWTUPLE
-    PyObject *argsbuf[2];
-    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
-    PyObject *__clinic_args = NULL;
-    PyObject *b = Py_None;
-
-    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 0, 0, 0, 0, argsbuf);
-    if (!args) {
-        goto exit;
-    }
-    __clinic_args = args[0];
-    if (!noptargs) {
-        goto skip_optional_kwonly;
-    }
-    b = args[1];
-skip_optional_kwonly:
-    return_value = vararg_with_only_defaults_impl(module, __clinic_args, b);
-
-exit:
-    Py_XDECREF(__clinic_args);
-    return return_value;
-}
-
-PyDoc_STRVAR(gh_32092_oob__doc__,
-"gh_32092_oob($module, /, pos1, pos2, *varargs, kw1=None, kw2=None)\n"
-"--\n"
-"\n"
-"Proof-of-concept of GH-32092 OOB bug.\n"
-"\n"
-"Array index out-of-bound bug in function\n"
-"`_PyArg_UnpackKeywordsWithVararg` .\n"
-"\n"
-"Calling this function by gh_32092_oob(1, 2, 3, 4, kw1=5, kw2=6)\n"
-"to trigger this bug (crash).");
-
-#define GH_32092_OOB_METHODDEF    \
-    {"gh_32092_oob", _PyCFunction_CAST(gh_32092_oob), METH_FASTCALL|METH_KEYWORDS, gh_32092_oob__doc__},
-
-static PyObject *
-gh_32092_oob_impl(PyObject *module, PyObject *pos1, PyObject *pos2,
-                  PyObject *varargs, PyObject *kw1, PyObject *kw2);
-
-static PyObject *
-gh_32092_oob(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
-{
-    PyObject *return_value = NULL;
-    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
-
-    #define NUM_KEYWORDS 4
-    static struct {
-        PyGC_Head _this_is_not_used;
-        PyObject_VAR_HEAD
-        PyObject *ob_item[NUM_KEYWORDS];
-    } _kwtuple = {
-        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
-        .ob_item = { &_Py_ID(pos1), &_Py_ID(pos2), &_Py_ID(kw1), &_Py_ID(kw2), },
-    };
-    #undef NUM_KEYWORDS
-    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
-
-    #else  // !Py_BUILD_CORE
-    #  define KWTUPLE NULL
-    #endif  // !Py_BUILD_CORE
-
-    static const char * const _keywords[] = {"pos1", "pos2", "kw1", "kw2", NULL};
-    static _PyArg_Parser _parser = {
-        .keywords = _keywords,
-        .fname = "gh_32092_oob",
-        .kwtuple = KWTUPLE,
-    };
-    #undef KWTUPLE
-    PyObject *argsbuf[5];
-    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
-    PyObject *pos1;
-    PyObject *pos2;
-    PyObject *varargs = NULL;
-    PyObject *kw1 = Py_None;
-    PyObject *kw2 = Py_None;
-
-    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 2, 2, 0, 2, argsbuf);
-    if (!args) {
-        goto exit;
-    }
-    pos1 = args[0];
-    pos2 = args[1];
-    varargs = args[2];
-    if (!noptargs) {
-        goto skip_optional_kwonly;
-    }
-    if (args[3]) {
-        kw1 = args[3];
-        if (!--noptargs) {
-            goto skip_optional_kwonly;
-        }
-    }
-    kw2 = args[4];
-skip_optional_kwonly:
-    return_value = gh_32092_oob_impl(module, pos1, pos2, varargs, kw1, kw2);
-
-exit:
-    Py_XDECREF(varargs);
-    return return_value;
-}
-
-PyDoc_STRVAR(gh_32092_kw_pass__doc__,
-"gh_32092_kw_pass($module, /, pos, *args, kw=None)\n"
-"--\n"
-"\n"
-"Proof-of-concept of GH-32092 keyword args passing bug.\n"
-"\n"
-"The calculation of `noptargs` in AC-generated function\n"
-"`builtin_kw_pass_poc` is incorrect.\n"
-"\n"
-"Calling this function by gh_32092_kw_pass(1, 2, 3)\n"
-"to trigger this bug (crash).");
-
-#define GH_32092_KW_PASS_METHODDEF    \
-    {"gh_32092_kw_pass", _PyCFunction_CAST(gh_32092_kw_pass), METH_FASTCALL|METH_KEYWORDS, gh_32092_kw_pass__doc__},
-
-static PyObject *
-gh_32092_kw_pass_impl(PyObject *module, PyObject *pos, PyObject *args,
-                      PyObject *kw);
-
-static PyObject *
-gh_32092_kw_pass(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
-{
-    PyObject *return_value = NULL;
-    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
-
-    #define NUM_KEYWORDS 2
-    static struct {
-        PyGC_Head _this_is_not_used;
-        PyObject_VAR_HEAD
-        PyObject *ob_item[NUM_KEYWORDS];
-    } _kwtuple = {
-        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
-        .ob_item = { &_Py_ID(pos), &_Py_ID(kw), },
-    };
-    #undef NUM_KEYWORDS
-    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
-
-    #else  // !Py_BUILD_CORE
-    #  define KWTUPLE NULL
-    #endif  // !Py_BUILD_CORE
-
-    static const char * const _keywords[] = {"pos", "kw", NULL};
-    static _PyArg_Parser _parser = {
-        .keywords = _keywords,
-        .fname = "gh_32092_kw_pass",
-        .kwtuple = KWTUPLE,
-    };
-    #undef KWTUPLE
-    PyObject *argsbuf[3];
-    Py_ssize_t noptargs = 0 + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
-    PyObject *pos;
-    PyObject *__clinic_args = NULL;
-    PyObject *kw = Py_None;
-
-    args = _PyArg_UnpackKeywordsWithVararg(args, nargs, NULL, kwnames, &_parser, 1, 1, 0, 1, argsbuf);
-    if (!args) {
-        goto exit;
-    }
-    pos = args[0];
-    __clinic_args = args[1];
-    if (!noptargs) {
-        goto skip_optional_kwonly;
-    }
-    kw = args[2];
-skip_optional_kwonly:
-    return_value = gh_32092_kw_pass_impl(module, pos, __clinic_args, kw);
-
-exit:
-    Py_XDECREF(__clinic_args);
-    return return_value;
-}
-
-PyDoc_STRVAR(gh_99233_refcount__doc__,
-"gh_99233_refcount($module, /, *args)\n"
-"--\n"
-"\n"
-"Proof-of-concept of GH-99233 refcount error bug.\n"
-"\n"
-"While AC-generated code is packing varargs to a tuple, the arguments\' refcounts are not increased.\n"
-"So all the packed arguments‘ refcounts are decreased 1 improperly when the tuple is released later.\n"
-"\n"
-"Call this function with whatever arguments and check if the arguments\' refcount is correct.");
-
-#define GH_99233_REFCOUNT_METHODDEF    \
-    {"gh_99233_refcount", _PyCFunction_CAST(gh_99233_refcount), METH_FASTCALL, gh_99233_refcount__doc__},
-
-static PyObject *
-gh_99233_refcount_impl(PyObject *module, PyObject *args);
-
-static PyObject *
-gh_99233_refcount(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
-{
-    PyObject *return_value = NULL;
-    PyObject *__clinic_args = NULL;
-
-    if (!_PyArg_CheckPositional("gh_99233_refcount", nargs, 0, PY_SSIZE_T_MAX)) {
-        goto exit;
-    }
-    __clinic_args = PyTuple_New(nargs - 0);
-    for (Py_ssize_t i = 0; i < nargs - 0; ++i) {
-        PyTuple_SET_ITEM(__clinic_args, i, args[0 + i]);
-    }
-    return_value = gh_99233_refcount_impl(module, __clinic_args);
-
-exit:
-    Py_XDECREF(__clinic_args);
-    return return_value;
-}
-
-PyDoc_STRVAR(gh_99240_double_free__doc__,
-"gh_99240_double_free($module, a, b, /)\n"
-"--\n"
-"\n"
-"Proof-of-concept of GH-99240 double-free bug.\n"
-"\n"
-"If parsing `a` successes, `a` will be assigned an address points to an allocated memory.\n"
-"After that, if parsing `b` fails, the memory which `a` points to is freed by function `_PyArg_ParseStack`,\n"
-"and `_PyArg_ParseStack` returns 0, then control flow goes to label \"exit\".\n"
-"At this time, `a` is not NULL, so the memory it points to is freed again,\n"
-"which cause a double-free problem and a runtime crash.\n"
-"\n"
-"Calling this function by gh_99240_double_free(\'a\', \'\\0b\')\n"
-"to trigger this bug (crash).");
-
-#define GH_99240_DOUBLE_FREE_METHODDEF    \
-    {"gh_99240_double_free", _PyCFunction_CAST(gh_99240_double_free), METH_FASTCALL, gh_99240_double_free__doc__},
-
-static PyObject *
-gh_99240_double_free_impl(PyObject *module, char *a, char *b);
-
-static PyObject *
-gh_99240_double_free(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
-{
-    PyObject *return_value = NULL;
-    char *a = NULL;
-    char *b = NULL;
-
-    if (!_PyArg_ParseStack(args, nargs, "eses:gh_99240_double_free",
-        "idna", &a, "idna", &b)) {
-        goto exit;
-    }
-    return_value = gh_99240_double_free_impl(module, a, b);
-
-exit:
-    /* Cleanup for a */
-    if (a) {
-       PyMem_FREE(a);
-    }
-    /* Cleanup for b */
-    if (b) {
-       PyMem_FREE(b);
-    }
-
-    return return_value;
-}
-/*[clinic end generated code: output=8f0d1bbae0d775e3 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=a9212f8e6ba18bba input=a9049054013a1b77]*/

From b27b43d218eaacc8aa8c2a05c9ce47b9f2b83859 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Thu, 10 Nov 2022 10:41:46 +0800
Subject: [PATCH 20/29] Rerun `make regen-all`

---
 Include/internal/pycore_global_objects_fini_generated.h | 3 +++
 Include/internal/pycore_unicodeobject_generated.h       | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/Include/internal/pycore_global_objects_fini_generated.h b/Include/internal/pycore_global_objects_fini_generated.h
index f734e4b48a34ae..e35bc9dbc3ddca 100644
--- a/Include/internal/pycore_global_objects_fini_generated.h
+++ b/Include/internal/pycore_global_objects_fini_generated.h
@@ -798,6 +798,7 @@ _PyStaticObjects_CheckRefcnt(void) {
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(byteorder));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(bytes));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(bytes_per_sep));
+    _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(c));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(c_call));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(c_exception));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(c_return));
@@ -847,6 +848,7 @@ _PyStaticObjects_CheckRefcnt(void) {
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(coro));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(count));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(cwd));
+    _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(d));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(data));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(database));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(decode));
@@ -874,6 +876,7 @@ _PyStaticObjects_CheckRefcnt(void) {
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(dst));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(dst_dir_fd));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(duration));
+    _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(e));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(effective_ids));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(element_factory));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(encode));
diff --git a/Include/internal/pycore_unicodeobject_generated.h b/Include/internal/pycore_unicodeobject_generated.h
index 026945f1e342a9..5fad2005361c38 100644
--- a/Include/internal/pycore_unicodeobject_generated.h
+++ b/Include/internal/pycore_unicodeobject_generated.h
@@ -478,6 +478,8 @@ _PyUnicode_InitStaticStrings(void) {
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(bytes_per_sep);
     PyUnicode_InternInPlace(&string);
+    string = &_Py_ID(c);
+    PyUnicode_InternInPlace(&string);
     string = &_Py_ID(c_call);
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(c_exception);
@@ -576,6 +578,8 @@ _PyUnicode_InitStaticStrings(void) {
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(cwd);
     PyUnicode_InternInPlace(&string);
+    string = &_Py_ID(d);
+    PyUnicode_InternInPlace(&string);
     string = &_Py_ID(data);
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(database);
@@ -630,6 +634,8 @@ _PyUnicode_InitStaticStrings(void) {
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(duration);
     PyUnicode_InternInPlace(&string);
+    string = &_Py_ID(e);
+    PyUnicode_InternInPlace(&string);
     string = &_Py_ID(effective_ids);
     PyUnicode_InternInPlace(&string);
     string = &_Py_ID(element_factory);

From 1cae160474a9550c99fe2e306b4c9f91a86549c1 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Sun, 13 Nov 2022 22:22:15 +0800
Subject: [PATCH 21/29] Fix leaking

---
 Modules/_testclinic.c | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index 573f303c366c2b..492719d4d6007b 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -11,14 +11,18 @@
 
 #include "clinic/_testclinic.c.h"
 
+/* Pack arguments to a tuple, implicitly increase all the arguments' refcount.
+ * NULL arguments will be replaced to Py_None. */
 static PyObject *
 pack_arguments_newref(int argc, ...) {
-    va_list vargs;
-    va_start(vargs, argc);
+    assert(!PyErr_Occurred());
     PyObject *tuple = PyTuple_New(argc);
     if (!tuple) {
         return NULL;
     }
+
+    va_list vargs;
+    va_start(vargs, argc);
     for (int i = 0; i < argc; i++) {
         PyObject *arg = va_arg(vargs, PyObject *);
         if (arg) {
@@ -39,17 +43,26 @@ pack_arguments_newref(int argc, ...) {
     return tuple;
 }
 
+/* Pack arguments to a tuple, all the arguments' refcounts should be increased before passing in.
+ * Do not accept NULL arguments unless error occurs. */
 static PyObject *
 pack_arguments(int argc, ...) {
-    va_list vargs;
-    va_start(vargs, argc);
+    assert(!PyErr_Occurred());
     PyObject *tuple = PyTuple_New(argc);
     if (!tuple) {
         return NULL;
     }
+
+    va_list vargs;
+    va_start(vargs, argc);
     for (int i = 0; i < argc; i++) {
         PyObject *arg = va_arg(vargs, PyObject *);
-        assert(arg && !_PyObject_IsFreed(arg));
+        assert(arg || PyErr_Occurred());
+        if (!arg) {
+            va_end(vargs);
+            Py_DECREF(tuple);
+            return NULL;
+        }
         PyTuple_SET_ITEM(tuple, i, arg);
     }
     va_end(vargs);

From fb6d3be51c3abd92967557db63f0d166148ba94e Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Mon, 14 Nov 2022 01:49:34 +0800
Subject: [PATCH 22/29] Fix code style

---
 Lib/test/test_clinic.py | 44 ++++++++++++++++++------------------
 Modules/_testclinic.c   | 49 +++++++++++++++++++++++------------------
 2 files changed, 50 insertions(+), 43 deletions(-)

diff --git a/Lib/test/test_clinic.py b/Lib/test/test_clinic.py
index 846f8af52cca41..7c1bd1c10d2ab6 100644
--- a/Lib/test/test_clinic.py
+++ b/Lib/test/test_clinic.py
@@ -837,25 +837,25 @@ def test_objects_converter(self):
     def test_bytes_object_converter(self):
         with self.assertRaises(TypeError):
             ac_tester.bytes_object_converter(1)
-        self.assertEqual(ac_tester.bytes_object_converter(b'BytesObject'), (b'BytesObject', ))
+        self.assertEqual(ac_tester.bytes_object_converter(b'BytesObject'), (b'BytesObject',))
 
     def test_byte_array_object_converter(self):
         with self.assertRaises(TypeError):
             ac_tester.byte_array_object_converter(1)
         byte_arr = bytearray(b'ByteArrayObject')
-        self.assertEqual(ac_tester.byte_array_object_converter(byte_arr), (byte_arr, ))
+        self.assertEqual(ac_tester.byte_array_object_converter(byte_arr), (byte_arr,))
 
     def test_unicode_converter(self):
         with self.assertRaises(TypeError):
             ac_tester.unicode_converter(1)
-        self.assertEqual(ac_tester.unicode_converter('unicode'), ('unicode', ))
+        self.assertEqual(ac_tester.unicode_converter('unicode'), ('unicode',))
 
     def test_bool_converter(self):
         with self.assertRaises(TypeError):
             ac_tester.bool_converter(False, False, 'not a int')
         self.assertEqual(ac_tester.bool_converter(), (True, True, True))
         self.assertEqual(ac_tester.bool_converter('', [], 5), (False, False, True))
-        self.assertEqual(ac_tester.bool_converter(('not empty', ), {1: 2}, 0), (True, True, False))
+        self.assertEqual(ac_tester.bool_converter(('not empty',), {1: 2}, 0), (True, True, False))
 
     def test_char_converter(self):
         with self.assertRaises(TypeError):
@@ -863,10 +863,10 @@ def test_char_converter(self):
         with self.assertRaises(TypeError):
             ac_tester.char_converter(b'ab')
         chars = [b'A', b'\a', b'\b', b'\t', b'\n', b'\v', b'\f', b'\r', b'"', b"'", b'?', b'\\', b'\000', b'\377']
-        expected = tuple([ord(c) for c in chars])
+        expected = tuple(ord(c) for c in chars)
         self.assertEqual(ac_tester.char_converter(), expected)
         chars = [b'1', b'2', b'3', b'4', b'5', b'6', b'7', b'8', b'9', b'0', b'a', b'b', b'c', b'd']
-        expected = tuple([ord(c) for c in chars])
+        expected = tuple(ord(c) for c in chars)
         self.assertEqual(ac_tester.char_converter(*chars), expected)
 
     def test_unsigned_char_converter(self):
@@ -891,8 +891,8 @@ def test_short_converter(self):
             ac_tester.short_converter(SHRT_MAX + 1)
         with self.assertRaises(TypeError):
             ac_tester.short_converter([])
-        self.assertEqual(ac_tester.short_converter(-1234), (-1234, ))
-        self.assertEqual(ac_tester.short_converter(4321), (4321, ))
+        self.assertEqual(ac_tester.short_converter(-1234), (-1234,))
+        self.assertEqual(ac_tester.short_converter(4321), (4321,))
 
     def test_unsigned_short_converter(self):
         from _testcapi import USHRT_MAX
@@ -943,8 +943,8 @@ def test_long_converter(self):
             ac_tester.long_converter(LONG_MAX + 1)
         with self.assertRaises(TypeError):
             ac_tester.long_converter([])
-        self.assertEqual(ac_tester.long_converter(), (12, ))
-        self.assertEqual(ac_tester.long_converter(-1234), (-1234, ))
+        self.assertEqual(ac_tester.long_converter(), (12,))
+        self.assertEqual(ac_tester.long_converter(-1234), (-1234,))
 
     def test_unsigned_long_converter(self):
         from _testcapi import ULONG_MAX
@@ -968,8 +968,8 @@ def test_long_long_converter(self):
             ac_tester.long_long_converter(LLONG_MAX + 1)
         with self.assertRaises(TypeError):
             ac_tester.long_long_converter([])
-        self.assertEqual(ac_tester.long_long_converter(), (12, ))
-        self.assertEqual(ac_tester.long_long_converter(-1234), (-1234, ))
+        self.assertEqual(ac_tester.long_long_converter(), (12,))
+        self.assertEqual(ac_tester.long_long_converter(-1234), (-1234,))
 
     def test_unsigned_long_long_converter(self):
         from _testcapi import ULLONG_MAX
@@ -1012,27 +1012,27 @@ def test_size_t_converter(self):
             ac_tester.size_t_converter(-1)
         with self.assertRaises(TypeError):
             ac_tester.size_t_converter([])
-        self.assertEqual(ac_tester.size_t_converter(), (12, ))
+        self.assertEqual(ac_tester.size_t_converter(), (12,))
 
     def test_float_converter(self):
         with self.assertRaises(TypeError):
             ac_tester.float_converter([])
-        self.assertEqual(ac_tester.float_converter(), (12.5, ))
-        self.assertEqual(ac_tester.float_converter(-0.5), (-0.5, ))
+        self.assertEqual(ac_tester.float_converter(), (12.5,))
+        self.assertEqual(ac_tester.float_converter(-0.5), (-0.5,))
 
     def test_double_converter(self):
         with self.assertRaises(TypeError):
             ac_tester.double_converter([])
-        self.assertEqual(ac_tester.double_converter(), (12.5, ))
-        self.assertEqual(ac_tester.double_converter(-0.5), (-0.5, ))
+        self.assertEqual(ac_tester.double_converter(), (12.5,))
+        self.assertEqual(ac_tester.double_converter(-0.5), (-0.5,))
 
     def test_py_complex_converter(self):
         with self.assertRaises(TypeError):
             ac_tester.py_complex_converter([])
-        self.assertEqual(ac_tester.py_complex_converter(complex(1, 2)), (complex(1, 2), ))
-        self.assertEqual(ac_tester.py_complex_converter(complex('-1-2j')), (complex('-1-2j'), ))
-        self.assertEqual(ac_tester.py_complex_converter(-0.5), (-0.5, ))
-        self.assertEqual(ac_tester.py_complex_converter(10), (10, ))
+        self.assertEqual(ac_tester.py_complex_converter(complex(1, 2)), (complex(1, 2),))
+        self.assertEqual(ac_tester.py_complex_converter(complex('-1-2j')), (complex('-1-2j'),))
+        self.assertEqual(ac_tester.py_complex_converter(-0.5), (-0.5,))
+        self.assertEqual(ac_tester.py_complex_converter(10), (10,))
 
     def test_str_converter(self):
         with self.assertRaises(TypeError):
@@ -1209,7 +1209,7 @@ def test_keyword_only_parameter(self):
             ac_tester.keyword_only_parameter()
         with self.assertRaises(TypeError):
             ac_tester.keyword_only_parameter(1)
-        self.assertEqual(ac_tester.keyword_only_parameter(a=1), (1, ))
+        self.assertEqual(ac_tester.keyword_only_parameter(a=1), (1,))
 
 
 if __name__ == "__main__":
diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index 492719d4d6007b..0dc93606b9b20f 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -11,6 +11,7 @@
 
 #include "clinic/_testclinic.c.h"
 
+
 /* Pack arguments to a tuple, implicitly increase all the arguments' refcount.
  * NULL arguments will be replaced to Py_None. */
 static PyObject *
@@ -34,7 +35,8 @@ pack_arguments_newref(int argc, ...) {
                 Py_DECREF(tuple);
                 return NULL;
             }
-        } else {
+        }
+        else {
             arg = Py_None;
         }
         PyTuple_SET_ITEM(tuple, i, Py_NewRef(arg));
@@ -119,7 +121,8 @@ bytes_object_converter_impl(PyObject *module, PyBytesObject *a)
 /*[clinic end generated code: output=7732da869d74b784 input=94211751e7996236]*/
 {
     if (!PyBytes_Check(a)) {
-        PyErr_SetString(PyExc_AssertionError, "argument a is not a PyBytesObject");
+        PyErr_SetString(PyExc_AssertionError,
+                        "argument a is not a PyBytesObject");
     }
     return pack_arguments_newref(1, a);
 }
@@ -138,7 +141,8 @@ byte_array_object_converter_impl(PyObject *module, PyByteArrayObject *a)
 /*[clinic end generated code: output=51f15c76f302b1f7 input=b04d253db51c6f56]*/
 {
     if (!PyByteArray_Check(a)) {
-        PyErr_SetString(PyExc_AssertionError, "argument a is not a PyByteArrayObject");
+        PyErr_SetString(PyExc_AssertionError,
+                        "argument a is not a PyByteArrayObject");
     }
     return pack_arguments_newref(1, a);
 }
@@ -157,7 +161,8 @@ unicode_converter_impl(PyObject *module, PyObject *a)
 /*[clinic end generated code: output=1b4a4adbb6ac6e34 input=de7b5adbf07435ba]*/
 {
     if (!PyUnicode_Check(a)) {
-        PyErr_SetString(PyExc_AssertionError, "argument a is not a unicode object");
+        PyErr_SetString(PyExc_AssertionError,
+                        "argument a is not a unicode object");
     }
     return pack_arguments_newref(1, a);
 }
@@ -221,20 +226,20 @@ char_converter_impl(PyObject *module, char a, char b, char c, char d, char e,
 /*[clinic end generated code: output=f929dbd2e55a9871 input=b601bc5bc7fe85e3]*/
 {
     return pack_arguments(14,
-                          PyLong_FromUnsignedLong((unsigned char) a),
-                          PyLong_FromUnsignedLong((unsigned char) b),
-                          PyLong_FromUnsignedLong((unsigned char) c),
-                          PyLong_FromUnsignedLong((unsigned char) d),
-                          PyLong_FromUnsignedLong((unsigned char) e),
-                          PyLong_FromUnsignedLong((unsigned char) f),
-                          PyLong_FromUnsignedLong((unsigned char) g),
-                          PyLong_FromUnsignedLong((unsigned char) h),
-                          PyLong_FromUnsignedLong((unsigned char) i),
-                          PyLong_FromUnsignedLong((unsigned char) j),
-                          PyLong_FromUnsignedLong((unsigned char) k),
-                          PyLong_FromUnsignedLong((unsigned char) l),
-                          PyLong_FromUnsignedLong((unsigned char) m),
-                          PyLong_FromUnsignedLong((unsigned char) n));
+                          PyLong_FromUnsignedLong((unsigned char)a),
+                          PyLong_FromUnsignedLong((unsigned char)b),
+                          PyLong_FromUnsignedLong((unsigned char)c),
+                          PyLong_FromUnsignedLong((unsigned char)d),
+                          PyLong_FromUnsignedLong((unsigned char)e),
+                          PyLong_FromUnsignedLong((unsigned char)f),
+                          PyLong_FromUnsignedLong((unsigned char)g),
+                          PyLong_FromUnsignedLong((unsigned char)h),
+                          PyLong_FromUnsignedLong((unsigned char)i),
+                          PyLong_FromUnsignedLong((unsigned char)j),
+                          PyLong_FromUnsignedLong((unsigned char)k),
+                          PyLong_FromUnsignedLong((unsigned char)l),
+                          PyLong_FromUnsignedLong((unsigned char)m),
+                          PyLong_FromUnsignedLong((unsigned char)n));
 }
 
 
@@ -489,7 +494,7 @@ static PyObject *
 float_converter_impl(PyObject *module, float a)
 /*[clinic end generated code: output=1c98f64f2cf1d55c input=a625b59ad68047d8]*/
 {
-    return pack_arguments(1, PyFloat_FromDouble((double) a));
+    return pack_arguments(1, PyFloat_FromDouble((double)a));
 }
 
 
@@ -564,7 +569,8 @@ py_buffer_converter_impl(PyObject *module, Py_buffer *a, Py_buffer *b)
     if (!new_a) {
         return NULL;
     }
-    if (PyBuffer_ToContiguous(((PyBytesObject *)new_a)->ob_sval, a, a->len, 'C') < 0) {
+    if (PyBuffer_ToContiguous(((PyBytesObject *)new_a)->ob_sval, a, a->len,
+                              'C') < 0) {
         Py_DECREF(new_a);
         return NULL;
     }
@@ -575,7 +581,8 @@ py_buffer_converter_impl(PyObject *module, Py_buffer *a, Py_buffer *b)
         Py_DECREF(new_a);
         return NULL;
     }
-    if (PyBuffer_ToContiguous(((PyBytesObject *)new_b)->ob_sval, b, b->len, 'C') < 0) {
+    if (PyBuffer_ToContiguous(((PyBytesObject *)new_b)->ob_sval, b, b->len,
+                              'C') < 0) {
         Py_DECREF(new_a);
         Py_DECREF(new_b);
         return NULL;

From e82c88a7d053d9640a61042a6185415ff23a8f18 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Mon, 14 Nov 2022 02:24:45 +0800
Subject: [PATCH 23/29] Rerun `make regen-all`

---
 Include/internal/pycore_runtime_init_generated.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Include/internal/pycore_runtime_init_generated.h b/Include/internal/pycore_runtime_init_generated.h
index e7fba8db16fd7b..b089e9ed7843a1 100644
--- a/Include/internal/pycore_runtime_init_generated.h
+++ b/Include/internal/pycore_runtime_init_generated.h
@@ -793,6 +793,7 @@ extern "C" {
     INIT_ID(byteorder), \
     INIT_ID(bytes), \
     INIT_ID(bytes_per_sep), \
+    INIT_ID(c), \
     INIT_ID(c_call), \
     INIT_ID(c_exception), \
     INIT_ID(c_return), \
@@ -842,6 +843,7 @@ extern "C" {
     INIT_ID(coro), \
     INIT_ID(count), \
     INIT_ID(cwd), \
+    INIT_ID(d), \
     INIT_ID(data), \
     INIT_ID(database), \
     INIT_ID(decode), \
@@ -869,6 +871,7 @@ extern "C" {
     INIT_ID(dst), \
     INIT_ID(dst_dir_fd), \
     INIT_ID(duration), \
+    INIT_ID(e), \
     INIT_ID(effective_ids), \
     INIT_ID(element_factory), \
     INIT_ID(encode), \

From 598568c65e0d6a81c2121b31bd2887cddb2a2e8f Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Mon, 14 Nov 2022 15:49:57 +0800
Subject: [PATCH 24/29] Fix object leaking and code style

---
 Modules/_testclinic.c | 191 +++++++++++++++++++++---------------------
 1 file changed, 95 insertions(+), 96 deletions(-)

diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index 0dc93606b9b20f..af4f7075d571da 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -15,7 +15,8 @@
 /* Pack arguments to a tuple, implicitly increase all the arguments' refcount.
  * NULL arguments will be replaced to Py_None. */
 static PyObject *
-pack_arguments_newref(int argc, ...) {
+pack_arguments_newref(int argc, ...)
+{
     assert(!PyErr_Occurred());
     PyObject *tuple = PyTuple_New(argc);
     if (!tuple) {
@@ -47,29 +48,31 @@ pack_arguments_newref(int argc, ...) {
 
 /* Pack arguments to a tuple, all the arguments' refcounts should be increased before passing in.
  * Do not accept NULL arguments unless error occurs. */
-static PyObject *
-pack_arguments(int argc, ...) {
-    assert(!PyErr_Occurred());
-    PyObject *tuple = PyTuple_New(argc);
-    if (!tuple) {
-        return NULL;
-    }
-
-    va_list vargs;
-    va_start(vargs, argc);
-    for (int i = 0; i < argc; i++) {
-        PyObject *arg = va_arg(vargs, PyObject *);
-        assert(arg || PyErr_Occurred());
-        if (!arg) {
-            va_end(vargs);
-            Py_DECREF(tuple);
-            return NULL;
-        }
-        PyTuple_SET_ITEM(tuple, i, arg);
-    }
-    va_end(vargs);
-    return tuple;
-}
+#define PACK_ARGUMENTS(argc, ...) do { \
+        assert(!PyErr_Occurred()); \
+        PyObject *out[argc] = {NULL,}; \
+        for (int _i = 0; _i < argc; _i++) { \
+            out[_i] = ((PyObject *[]){__VA_ARGS__})[_i]; \
+            assert(out[_i] || PyErr_Occurred()); \
+            if (!out[_i]) { \
+                for (int _j = _i - 1; _j >= 0; _j--) { \
+                    Py_DECREF(out[_j]); \
+                } \
+                return NULL; \
+            } \
+        } \
+        PyObject *tuple = PyTuple_New(argc); \
+        if (!tuple) { \
+            for (int _i = 0; _i < argc; _i++) { \
+                Py_DECREF(out[_i]); \
+            } \
+            return NULL; \
+        } \
+        for (int _i = 0; _i < argc; _i++) { \
+            PyTuple_SET_ITEM(tuple, _i, out[_i]); \
+        } \
+        return tuple; \
+    } while (0)
 
 
 /*[clinic input]
@@ -123,6 +126,7 @@ bytes_object_converter_impl(PyObject *module, PyBytesObject *a)
     if (!PyBytes_Check(a)) {
         PyErr_SetString(PyExc_AssertionError,
                         "argument a is not a PyBytesObject");
+        return NULL;
     }
     return pack_arguments_newref(1, a);
 }
@@ -143,6 +147,7 @@ byte_array_object_converter_impl(PyObject *module, PyByteArrayObject *a)
     if (!PyByteArray_Check(a)) {
         PyErr_SetString(PyExc_AssertionError,
                         "argument a is not a PyByteArrayObject");
+        return NULL;
     }
     return pack_arguments_newref(1, a);
 }
@@ -163,6 +168,7 @@ unicode_converter_impl(PyObject *module, PyObject *a)
     if (!PyUnicode_Check(a)) {
         PyErr_SetString(PyExc_AssertionError,
                         "argument a is not a unicode object");
+        return NULL;
     }
     return pack_arguments_newref(1, a);
 }
@@ -182,15 +188,6 @@ static PyObject *
 bool_converter_impl(PyObject *module, int a, int b, int c)
 /*[clinic end generated code: output=17005b0c29afd590 input=7f6537705b2f32f4]*/
 {
-    if (!(a == 0 || a == 1)) {
-        PyErr_SetString(PyExc_AssertionError, "argument a is not a bool value");
-    }
-    if (!(a == 0 || a == 1)) {
-        PyErr_SetString(PyExc_AssertionError, "argument b is not a bool value");
-    }
-    if (!(a == 0 || a == 1)) {
-        PyErr_SetString(PyExc_AssertionError, "argument c is not a bool value");
-    }
     PyObject *obj_a = a ? Py_True : Py_False;
     PyObject *obj_b = b ? Py_True : Py_False;
     PyObject *obj_c = c ? Py_True : Py_False;
@@ -225,21 +222,21 @@ char_converter_impl(PyObject *module, char a, char b, char c, char d, char e,
                     char m, char n)
 /*[clinic end generated code: output=f929dbd2e55a9871 input=b601bc5bc7fe85e3]*/
 {
-    return pack_arguments(14,
-                          PyLong_FromUnsignedLong((unsigned char)a),
-                          PyLong_FromUnsignedLong((unsigned char)b),
-                          PyLong_FromUnsignedLong((unsigned char)c),
-                          PyLong_FromUnsignedLong((unsigned char)d),
-                          PyLong_FromUnsignedLong((unsigned char)e),
-                          PyLong_FromUnsignedLong((unsigned char)f),
-                          PyLong_FromUnsignedLong((unsigned char)g),
-                          PyLong_FromUnsignedLong((unsigned char)h),
-                          PyLong_FromUnsignedLong((unsigned char)i),
-                          PyLong_FromUnsignedLong((unsigned char)j),
-                          PyLong_FromUnsignedLong((unsigned char)k),
-                          PyLong_FromUnsignedLong((unsigned char)l),
-                          PyLong_FromUnsignedLong((unsigned char)m),
-                          PyLong_FromUnsignedLong((unsigned char)n));
+    PACK_ARGUMENTS(14,
+                   PyLong_FromUnsignedLong((unsigned char)a),
+                   PyLong_FromUnsignedLong((unsigned char)b),
+                   PyLong_FromUnsignedLong((unsigned char)c),
+                   PyLong_FromUnsignedLong((unsigned char)d),
+                   PyLong_FromUnsignedLong((unsigned char)e),
+                   PyLong_FromUnsignedLong((unsigned char)f),
+                   PyLong_FromUnsignedLong((unsigned char)g),
+                   PyLong_FromUnsignedLong((unsigned char)h),
+                   PyLong_FromUnsignedLong((unsigned char)i),
+                   PyLong_FromUnsignedLong((unsigned char)j),
+                   PyLong_FromUnsignedLong((unsigned char)k),
+                   PyLong_FromUnsignedLong((unsigned char)l),
+                   PyLong_FromUnsignedLong((unsigned char)m),
+                   PyLong_FromUnsignedLong((unsigned char)n));
 }
 
 
@@ -258,10 +255,10 @@ unsigned_char_converter_impl(PyObject *module, unsigned char a,
                              unsigned char b, unsigned char c)
 /*[clinic end generated code: output=490af3b39ce0b199 input=e859502fbe0b3185]*/
 {
-    return pack_arguments(3,
-                          PyLong_FromUnsignedLong(a),
-                          PyLong_FromUnsignedLong(b),
-                          PyLong_FromUnsignedLong(c));
+    PACK_ARGUMENTS(3,
+                   PyLong_FromUnsignedLong(a),
+                   PyLong_FromUnsignedLong(b),
+                   PyLong_FromUnsignedLong(c));
 }
 
 
@@ -277,7 +274,7 @@ static PyObject *
 short_converter_impl(PyObject *module, short a)
 /*[clinic end generated code: output=1ebb7ddb64248988 input=b4e2309a66f650ae]*/
 {
-    return pack_arguments(1, PyLong_FromLong(a));
+    PACK_ARGUMENTS(1, PyLong_FromLong(a));
 }
 
 
@@ -296,10 +293,10 @@ unsigned_short_converter_impl(PyObject *module, unsigned short a,
                               unsigned short b, unsigned short c)
 /*[clinic end generated code: output=5f92cc72fc8707a7 input=9d15cd11e741d0c6]*/
 {
-    return pack_arguments(3,
-                          PyLong_FromUnsignedLong(a),
-                          PyLong_FromUnsignedLong(b),
-                          PyLong_FromUnsignedLong(c));
+    PACK_ARGUMENTS(3,
+                   PyLong_FromUnsignedLong(a),
+                   PyLong_FromUnsignedLong(b),
+                   PyLong_FromUnsignedLong(c));
 }
 
 
@@ -317,10 +314,10 @@ static PyObject *
 int_converter_impl(PyObject *module, int a, int b, int c)
 /*[clinic end generated code: output=8e56b59be7d0c306 input=a1dbc6344853db7a]*/
 {
-    return pack_arguments(3,
-                          PyLong_FromLong(a),
-                          PyLong_FromLong(b),
-                          PyLong_FromLong(c));
+    PACK_ARGUMENTS(3,
+                   PyLong_FromLong(a),
+                   PyLong_FromLong(b),
+                   PyLong_FromLong(c));
 }
 
 
@@ -339,10 +336,10 @@ unsigned_int_converter_impl(PyObject *module, unsigned int a, unsigned int b,
                             unsigned int c)
 /*[clinic end generated code: output=399a57a05c494cc7 input=8427ed9a3f96272d]*/
 {
-    return pack_arguments(3,
-                          PyLong_FromUnsignedLong(a),
-                          PyLong_FromUnsignedLong(b),
-                          PyLong_FromUnsignedLong(c));
+    PACK_ARGUMENTS(3,
+                   PyLong_FromUnsignedLong(a),
+                   PyLong_FromUnsignedLong(b),
+                   PyLong_FromUnsignedLong(c));
 }
 
 
@@ -358,7 +355,7 @@ static PyObject *
 long_converter_impl(PyObject *module, long a)
 /*[clinic end generated code: output=9663d936a652707a input=84ad0ef28f24bd85]*/
 {
-    return pack_arguments(1, PyLong_FromLong(a));
+    PACK_ARGUMENTS(1, PyLong_FromLong(a));
 }
 
 
@@ -377,10 +374,10 @@ unsigned_long_converter_impl(PyObject *module, unsigned long a,
                              unsigned long b, unsigned long c)
 /*[clinic end generated code: output=120b82ea9ebd93a8 input=440dd6f1817f5d91]*/
 {
-    return pack_arguments(3,
-                          PyLong_FromUnsignedLong(a),
-                          PyLong_FromUnsignedLong(b),
-                          PyLong_FromUnsignedLong(c));
+    PACK_ARGUMENTS(3,
+                   PyLong_FromUnsignedLong(a),
+                   PyLong_FromUnsignedLong(b),
+                   PyLong_FromUnsignedLong(c));
 }
 
 
@@ -396,7 +393,7 @@ static PyObject *
 long_long_converter_impl(PyObject *module, long long a)
 /*[clinic end generated code: output=5fb5f2220770c3e1 input=730fcb3eecf4d993]*/
 {
-    return pack_arguments(1, PyLong_FromLongLong(a));
+    PACK_ARGUMENTS(1, PyLong_FromLongLong(a));
 }
 
 
@@ -415,10 +412,10 @@ unsigned_long_long_converter_impl(PyObject *module, unsigned long long a,
                                   unsigned long long b, unsigned long long c)
 /*[clinic end generated code: output=65b7273e63501762 input=300737b0bdb230e9]*/
 {
-    return pack_arguments(3,
-                          PyLong_FromUnsignedLongLong(a),
-                          PyLong_FromUnsignedLongLong(b),
-                          PyLong_FromUnsignedLongLong(c));
+    PACK_ARGUMENTS(3,
+                   PyLong_FromUnsignedLongLong(a),
+                   PyLong_FromUnsignedLongLong(b),
+                   PyLong_FromUnsignedLongLong(c));
 }
 
 
@@ -437,10 +434,10 @@ py_ssize_t_converter_impl(PyObject *module, Py_ssize_t a, Py_ssize_t b,
                           Py_ssize_t c)
 /*[clinic end generated code: output=ce252143e0ed0372 input=76d0f342e9317a1f]*/
 {
-    return pack_arguments(3,
-                          PyLong_FromSsize_t(a),
-                          PyLong_FromSsize_t(b),
-                          PyLong_FromSsize_t(c));
+    PACK_ARGUMENTS(3,
+                   PyLong_FromSsize_t(a),
+                   PyLong_FromSsize_t(b),
+                   PyLong_FromSsize_t(c));
 }
 
 
@@ -459,10 +456,10 @@ slice_index_converter_impl(PyObject *module, Py_ssize_t a, Py_ssize_t b,
                            Py_ssize_t c)
 /*[clinic end generated code: output=923c6cac77666a6b input=64f99f3f83265e47]*/
 {
-    return pack_arguments(3,
-                          PyLong_FromSsize_t(a),
-                          PyLong_FromSsize_t(b),
-                          PyLong_FromSsize_t(c));
+    PACK_ARGUMENTS(3,
+                   PyLong_FromSsize_t(a),
+                   PyLong_FromSsize_t(b),
+                   PyLong_FromSsize_t(c));
 }
 
 
@@ -478,7 +475,7 @@ static PyObject *
 size_t_converter_impl(PyObject *module, size_t a)
 /*[clinic end generated code: output=412b5b7334ab444d input=83ae7d9171fbf208]*/
 {
-    return pack_arguments(1, PyLong_FromSize_t(a));
+    PACK_ARGUMENTS(1, PyLong_FromSize_t(a));
 }
 
 
@@ -494,7 +491,7 @@ static PyObject *
 float_converter_impl(PyObject *module, float a)
 /*[clinic end generated code: output=1c98f64f2cf1d55c input=a625b59ad68047d8]*/
 {
-    return pack_arguments(1, PyFloat_FromDouble((double)a));
+    PACK_ARGUMENTS(1, PyFloat_FromDouble((double)a));
 }
 
 
@@ -510,7 +507,7 @@ static PyObject *
 double_converter_impl(PyObject *module, double a)
 /*[clinic end generated code: output=a4e8532d284d035d input=098df188f24e7c62]*/
 {
-    return pack_arguments(1, PyFloat_FromDouble(a));
+    PACK_ARGUMENTS(1, PyFloat_FromDouble(a));
 }
 
 
@@ -526,7 +523,7 @@ static PyObject *
 py_complex_converter_impl(PyObject *module, Py_complex a)
 /*[clinic end generated code: output=9e6ca2eb53b14846 input=e9148a8ca1dbf195]*/
 {
-    return pack_arguments(1, PyComplex_FromCComplex(a));
+    PACK_ARGUMENTS(1, PyComplex_FromCComplex(a));
 }
 
 
@@ -545,10 +542,10 @@ str_converter_impl(PyObject *module, const char *a, const char *b,
                    const char *c, Py_ssize_t c_length)
 /*[clinic end generated code: output=475bea40548c8cd6 input=bff2656c92ee25de]*/
 {
-    return pack_arguments(3,
-                          PyUnicode_FromString(a),
-                          PyUnicode_FromString(b),
-                          PyUnicode_FromStringAndSize(c, c_length));
+    PACK_ARGUMENTS(3,
+                   PyUnicode_FromString(a),
+                   PyUnicode_FromString(b),
+                   PyUnicode_FromStringAndSize(c, c_length));
 }
 
 
@@ -569,8 +566,8 @@ py_buffer_converter_impl(PyObject *module, Py_buffer *a, Py_buffer *b)
     if (!new_a) {
         return NULL;
     }
-    if (PyBuffer_ToContiguous(((PyBytesObject *)new_a)->ob_sval, a, a->len,
-                              'C') < 0) {
+    void *new_a_buf = ((PyBytesObject *)new_a)->ob_sval;
+    if (PyBuffer_ToContiguous(new_a_buf, a, a->len, 'C') < 0) {
         Py_DECREF(new_a);
         return NULL;
     }
@@ -581,15 +578,15 @@ py_buffer_converter_impl(PyObject *module, Py_buffer *a, Py_buffer *b)
         Py_DECREF(new_a);
         return NULL;
     }
-    if (PyBuffer_ToContiguous(((PyBytesObject *)new_b)->ob_sval, b, b->len,
-                              'C') < 0) {
+    void *new_b_buf = ((PyBytesObject *)new_b)->ob_sval;
+    if (PyBuffer_ToContiguous(new_b_buf, b, b->len, 'C') < 0) {
         Py_DECREF(new_a);
         Py_DECREF(new_b);
         return NULL;
     }
     PyBuffer_Release(b);
 
-    return pack_arguments(2, new_a, new_b);
+    PACK_ARGUMENTS(2, new_a, new_b);
 }
 
 
@@ -958,3 +955,5 @@ PyInit__testclinic(void)
 {
     return PyModule_Create(&_testclinic_module);
 }
+
+#undef PACK_ARGUMENTS

From dd43f240086329270c6735fa7a80fa808ed926b3 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Mon, 14 Nov 2022 16:54:42 +0800
Subject: [PATCH 25/29] Change argument release order

Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
---
 Modules/_testclinic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index af4f7075d571da..2294b5ce39388f 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -55,7 +55,7 @@ pack_arguments_newref(int argc, ...)
             out[_i] = ((PyObject *[]){__VA_ARGS__})[_i]; \
             assert(out[_i] || PyErr_Occurred()); \
             if (!out[_i]) { \
-                for (int _j = _i - 1; _j >= 0; _j--) { \
+                for (int _j = 0; _j < _i; _j++) { \
                     Py_DECREF(out[_j]); \
                 } \
                 return NULL; \

From 325e35bc1abdb2b10d3838a018d889655facdba7 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Mon, 14 Nov 2022 16:55:04 +0800
Subject: [PATCH 26/29] Rename macro

Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
---
 Modules/_testclinic.c | 122 +++++++++++++++++++++---------------------
 1 file changed, 61 insertions(+), 61 deletions(-)

diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index 2294b5ce39388f..0d58bee7bb2fd5 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -48,7 +48,7 @@ pack_arguments_newref(int argc, ...)
 
 /* Pack arguments to a tuple, all the arguments' refcounts should be increased before passing in.
  * Do not accept NULL arguments unless error occurs. */
-#define PACK_ARGUMENTS(argc, ...) do { \
+#define RETURN_PACKED_ARGS(argc, ...) do { \
         assert(!PyErr_Occurred()); \
         PyObject *out[argc] = {NULL,}; \
         for (int _i = 0; _i < argc; _i++) { \
@@ -222,21 +222,21 @@ char_converter_impl(PyObject *module, char a, char b, char c, char d, char e,
                     char m, char n)
 /*[clinic end generated code: output=f929dbd2e55a9871 input=b601bc5bc7fe85e3]*/
 {
-    PACK_ARGUMENTS(14,
-                   PyLong_FromUnsignedLong((unsigned char)a),
-                   PyLong_FromUnsignedLong((unsigned char)b),
-                   PyLong_FromUnsignedLong((unsigned char)c),
-                   PyLong_FromUnsignedLong((unsigned char)d),
-                   PyLong_FromUnsignedLong((unsigned char)e),
-                   PyLong_FromUnsignedLong((unsigned char)f),
-                   PyLong_FromUnsignedLong((unsigned char)g),
-                   PyLong_FromUnsignedLong((unsigned char)h),
-                   PyLong_FromUnsignedLong((unsigned char)i),
-                   PyLong_FromUnsignedLong((unsigned char)j),
-                   PyLong_FromUnsignedLong((unsigned char)k),
-                   PyLong_FromUnsignedLong((unsigned char)l),
-                   PyLong_FromUnsignedLong((unsigned char)m),
-                   PyLong_FromUnsignedLong((unsigned char)n));
+    RETURN_PACKED_ARGS(14,
+                       PyLong_FromUnsignedLong((unsigned char)a),
+                       PyLong_FromUnsignedLong((unsigned char)b),
+                       PyLong_FromUnsignedLong((unsigned char)c),
+                       PyLong_FromUnsignedLong((unsigned char)d),
+                       PyLong_FromUnsignedLong((unsigned char)e),
+                       PyLong_FromUnsignedLong((unsigned char)f),
+                       PyLong_FromUnsignedLong((unsigned char)g),
+                       PyLong_FromUnsignedLong((unsigned char)h),
+                       PyLong_FromUnsignedLong((unsigned char)i),
+                       PyLong_FromUnsignedLong((unsigned char)j),
+                       PyLong_FromUnsignedLong((unsigned char)k),
+                       PyLong_FromUnsignedLong((unsigned char)l),
+                       PyLong_FromUnsignedLong((unsigned char)m),
+                       PyLong_FromUnsignedLong((unsigned char)n));
 }
 
 
@@ -255,10 +255,10 @@ unsigned_char_converter_impl(PyObject *module, unsigned char a,
                              unsigned char b, unsigned char c)
 /*[clinic end generated code: output=490af3b39ce0b199 input=e859502fbe0b3185]*/
 {
-    PACK_ARGUMENTS(3,
-                   PyLong_FromUnsignedLong(a),
-                   PyLong_FromUnsignedLong(b),
-                   PyLong_FromUnsignedLong(c));
+    RETURN_PACKED_ARGS(3,
+                       PyLong_FromUnsignedLong(a),
+                       PyLong_FromUnsignedLong(b),
+                       PyLong_FromUnsignedLong(c));
 }
 
 
@@ -274,7 +274,7 @@ static PyObject *
 short_converter_impl(PyObject *module, short a)
 /*[clinic end generated code: output=1ebb7ddb64248988 input=b4e2309a66f650ae]*/
 {
-    PACK_ARGUMENTS(1, PyLong_FromLong(a));
+    RETURN_PACKED_ARGS(1, PyLong_FromLong(a));
 }
 
 
@@ -293,10 +293,10 @@ unsigned_short_converter_impl(PyObject *module, unsigned short a,
                               unsigned short b, unsigned short c)
 /*[clinic end generated code: output=5f92cc72fc8707a7 input=9d15cd11e741d0c6]*/
 {
-    PACK_ARGUMENTS(3,
-                   PyLong_FromUnsignedLong(a),
-                   PyLong_FromUnsignedLong(b),
-                   PyLong_FromUnsignedLong(c));
+    RETURN_PACKED_ARGS(3,
+                       PyLong_FromUnsignedLong(a),
+                       PyLong_FromUnsignedLong(b),
+                       PyLong_FromUnsignedLong(c));
 }
 
 
@@ -314,10 +314,10 @@ static PyObject *
 int_converter_impl(PyObject *module, int a, int b, int c)
 /*[clinic end generated code: output=8e56b59be7d0c306 input=a1dbc6344853db7a]*/
 {
-    PACK_ARGUMENTS(3,
-                   PyLong_FromLong(a),
-                   PyLong_FromLong(b),
-                   PyLong_FromLong(c));
+    RETURN_PACKED_ARGS(3,
+                       PyLong_FromLong(a),
+                       PyLong_FromLong(b),
+                       PyLong_FromLong(c));
 }
 
 
@@ -336,10 +336,10 @@ unsigned_int_converter_impl(PyObject *module, unsigned int a, unsigned int b,
                             unsigned int c)
 /*[clinic end generated code: output=399a57a05c494cc7 input=8427ed9a3f96272d]*/
 {
-    PACK_ARGUMENTS(3,
-                   PyLong_FromUnsignedLong(a),
-                   PyLong_FromUnsignedLong(b),
-                   PyLong_FromUnsignedLong(c));
+    RETURN_PACKED_ARGS(3,
+                       PyLong_FromUnsignedLong(a),
+                       PyLong_FromUnsignedLong(b),
+                       PyLong_FromUnsignedLong(c));
 }
 
 
@@ -355,7 +355,7 @@ static PyObject *
 long_converter_impl(PyObject *module, long a)
 /*[clinic end generated code: output=9663d936a652707a input=84ad0ef28f24bd85]*/
 {
-    PACK_ARGUMENTS(1, PyLong_FromLong(a));
+    RETURN_PACKED_ARGS(1, PyLong_FromLong(a));
 }
 
 
@@ -374,10 +374,10 @@ unsigned_long_converter_impl(PyObject *module, unsigned long a,
                              unsigned long b, unsigned long c)
 /*[clinic end generated code: output=120b82ea9ebd93a8 input=440dd6f1817f5d91]*/
 {
-    PACK_ARGUMENTS(3,
-                   PyLong_FromUnsignedLong(a),
-                   PyLong_FromUnsignedLong(b),
-                   PyLong_FromUnsignedLong(c));
+    RETURN_PACKED_ARGS(3,
+                       PyLong_FromUnsignedLong(a),
+                       PyLong_FromUnsignedLong(b),
+                       PyLong_FromUnsignedLong(c));
 }
 
 
@@ -393,7 +393,7 @@ static PyObject *
 long_long_converter_impl(PyObject *module, long long a)
 /*[clinic end generated code: output=5fb5f2220770c3e1 input=730fcb3eecf4d993]*/
 {
-    PACK_ARGUMENTS(1, PyLong_FromLongLong(a));
+    RETURN_PACKED_ARGS(1, PyLong_FromLongLong(a));
 }
 
 
@@ -412,10 +412,10 @@ unsigned_long_long_converter_impl(PyObject *module, unsigned long long a,
                                   unsigned long long b, unsigned long long c)
 /*[clinic end generated code: output=65b7273e63501762 input=300737b0bdb230e9]*/
 {
-    PACK_ARGUMENTS(3,
-                   PyLong_FromUnsignedLongLong(a),
-                   PyLong_FromUnsignedLongLong(b),
-                   PyLong_FromUnsignedLongLong(c));
+    RETURN_PACKED_ARGS(3,
+                       PyLong_FromUnsignedLongLong(a),
+                       PyLong_FromUnsignedLongLong(b),
+                       PyLong_FromUnsignedLongLong(c));
 }
 
 
@@ -434,10 +434,10 @@ py_ssize_t_converter_impl(PyObject *module, Py_ssize_t a, Py_ssize_t b,
                           Py_ssize_t c)
 /*[clinic end generated code: output=ce252143e0ed0372 input=76d0f342e9317a1f]*/
 {
-    PACK_ARGUMENTS(3,
-                   PyLong_FromSsize_t(a),
-                   PyLong_FromSsize_t(b),
-                   PyLong_FromSsize_t(c));
+    RETURN_PACKED_ARGS(3,
+                       PyLong_FromSsize_t(a),
+                       PyLong_FromSsize_t(b),
+                       PyLong_FromSsize_t(c));
 }
 
 
@@ -456,10 +456,10 @@ slice_index_converter_impl(PyObject *module, Py_ssize_t a, Py_ssize_t b,
                            Py_ssize_t c)
 /*[clinic end generated code: output=923c6cac77666a6b input=64f99f3f83265e47]*/
 {
-    PACK_ARGUMENTS(3,
-                   PyLong_FromSsize_t(a),
-                   PyLong_FromSsize_t(b),
-                   PyLong_FromSsize_t(c));
+    RETURN_PACKED_ARGS(3,
+                       PyLong_FromSsize_t(a),
+                       PyLong_FromSsize_t(b),
+                       PyLong_FromSsize_t(c));
 }
 
 
@@ -475,7 +475,7 @@ static PyObject *
 size_t_converter_impl(PyObject *module, size_t a)
 /*[clinic end generated code: output=412b5b7334ab444d input=83ae7d9171fbf208]*/
 {
-    PACK_ARGUMENTS(1, PyLong_FromSize_t(a));
+    RETURN_PACKED_ARGS(1, PyLong_FromSize_t(a));
 }
 
 
@@ -491,7 +491,7 @@ static PyObject *
 float_converter_impl(PyObject *module, float a)
 /*[clinic end generated code: output=1c98f64f2cf1d55c input=a625b59ad68047d8]*/
 {
-    PACK_ARGUMENTS(1, PyFloat_FromDouble((double)a));
+    RETURN_PACKED_ARGS(1, PyFloat_FromDouble((double)a));
 }
 
 
@@ -507,7 +507,7 @@ static PyObject *
 double_converter_impl(PyObject *module, double a)
 /*[clinic end generated code: output=a4e8532d284d035d input=098df188f24e7c62]*/
 {
-    PACK_ARGUMENTS(1, PyFloat_FromDouble(a));
+    RETURN_PACKED_ARGS(1, PyFloat_FromDouble(a));
 }
 
 
@@ -523,7 +523,7 @@ static PyObject *
 py_complex_converter_impl(PyObject *module, Py_complex a)
 /*[clinic end generated code: output=9e6ca2eb53b14846 input=e9148a8ca1dbf195]*/
 {
-    PACK_ARGUMENTS(1, PyComplex_FromCComplex(a));
+    RETURN_PACKED_ARGS(1, PyComplex_FromCComplex(a));
 }
 
 
@@ -542,10 +542,10 @@ str_converter_impl(PyObject *module, const char *a, const char *b,
                    const char *c, Py_ssize_t c_length)
 /*[clinic end generated code: output=475bea40548c8cd6 input=bff2656c92ee25de]*/
 {
-    PACK_ARGUMENTS(3,
-                   PyUnicode_FromString(a),
-                   PyUnicode_FromString(b),
-                   PyUnicode_FromStringAndSize(c, c_length));
+    RETURN_PACKED_ARGS(3,
+                       PyUnicode_FromString(a),
+                       PyUnicode_FromString(b),
+                       PyUnicode_FromStringAndSize(c, c_length));
 }
 
 
@@ -586,7 +586,7 @@ py_buffer_converter_impl(PyObject *module, Py_buffer *a, Py_buffer *b)
     }
     PyBuffer_Release(b);
 
-    PACK_ARGUMENTS(2, new_a, new_b);
+    RETURN_PACKED_ARGS(2, new_a, new_b);
 }
 
 
@@ -956,4 +956,4 @@ PyInit__testclinic(void)
     return PyModule_Create(&_testclinic_module);
 }
 
-#undef PACK_ARGUMENTS
+#undef RETURN_PACKED_ARGS

From 967dda6087109c0f61c7ff036cace4600110bba0 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Mon, 14 Nov 2022 16:57:56 +0800
Subject: [PATCH 27/29] Update news

---
 .../next/Tests/2022-08-22-15-49-14.gh-issue-96002.4UE9UE.rst    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Misc/NEWS.d/next/Tests/2022-08-22-15-49-14.gh-issue-96002.4UE9UE.rst b/Misc/NEWS.d/next/Tests/2022-08-22-15-49-14.gh-issue-96002.4UE9UE.rst
index d0597e956e2b5d..dc86e1d70f1289 100644
--- a/Misc/NEWS.d/next/Tests/2022-08-22-15-49-14.gh-issue-96002.4UE9UE.rst
+++ b/Misc/NEWS.d/next/Tests/2022-08-22-15-49-14.gh-issue-96002.4UE9UE.rst
@@ -1 +1 @@
-Add functional test (``test_clinic_functionality``) for Argument Clinic.
+Add functional test for Argument Clinic.

From d56868310000a32c1559387de393b49413847b18 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Tue, 15 Nov 2022 01:09:49 +0800
Subject: [PATCH 28/29] Fix object leaking

---
 Modules/_testclinic.c | 168 ++++++++++++++++++++----------------------
 1 file changed, 81 insertions(+), 87 deletions(-)

diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index 0d58bee7bb2fd5..1a9d93c882678a 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -46,13 +46,15 @@ pack_arguments_newref(int argc, ...)
     return tuple;
 }
 
-/* Pack arguments to a tuple, all the arguments' refcounts should be increased before passing in.
- * Do not accept NULL arguments unless error occurs. */
-#define RETURN_PACKED_ARGS(argc, ...) do { \
+/* Pack arguments to a tuple.
+ * `wrapper` is function which converts primitive type to PyObject.
+ * `arg_type` is type that arguments should be converted to before wrapped. */
+#define RETURN_PACKED_ARGS(argc, wrapper, arg_type, ...) do { \
         assert(!PyErr_Occurred()); \
+        arg_type in[argc] = {__VA_ARGS__}; \
         PyObject *out[argc] = {NULL,}; \
         for (int _i = 0; _i < argc; _i++) { \
-            out[_i] = ((PyObject *[]){__VA_ARGS__})[_i]; \
+            out[_i] = wrapper((arg_type)in[_i]); \
             assert(out[_i] || PyErr_Occurred()); \
             if (!out[_i]) { \
                 for (int _j = 0; _j < _i; _j++) { \
@@ -222,21 +224,8 @@ char_converter_impl(PyObject *module, char a, char b, char c, char d, char e,
                     char m, char n)
 /*[clinic end generated code: output=f929dbd2e55a9871 input=b601bc5bc7fe85e3]*/
 {
-    RETURN_PACKED_ARGS(14,
-                       PyLong_FromUnsignedLong((unsigned char)a),
-                       PyLong_FromUnsignedLong((unsigned char)b),
-                       PyLong_FromUnsignedLong((unsigned char)c),
-                       PyLong_FromUnsignedLong((unsigned char)d),
-                       PyLong_FromUnsignedLong((unsigned char)e),
-                       PyLong_FromUnsignedLong((unsigned char)f),
-                       PyLong_FromUnsignedLong((unsigned char)g),
-                       PyLong_FromUnsignedLong((unsigned char)h),
-                       PyLong_FromUnsignedLong((unsigned char)i),
-                       PyLong_FromUnsignedLong((unsigned char)j),
-                       PyLong_FromUnsignedLong((unsigned char)k),
-                       PyLong_FromUnsignedLong((unsigned char)l),
-                       PyLong_FromUnsignedLong((unsigned char)m),
-                       PyLong_FromUnsignedLong((unsigned char)n));
+    RETURN_PACKED_ARGS(14, PyLong_FromUnsignedLong, unsigned char,
+                       a, b, c, d, e, f, g, h, i, j, k, l, m, n);
 }
 
 
@@ -255,10 +244,7 @@ unsigned_char_converter_impl(PyObject *module, unsigned char a,
                              unsigned char b, unsigned char c)
 /*[clinic end generated code: output=490af3b39ce0b199 input=e859502fbe0b3185]*/
 {
-    RETURN_PACKED_ARGS(3,
-                       PyLong_FromUnsignedLong(a),
-                       PyLong_FromUnsignedLong(b),
-                       PyLong_FromUnsignedLong(c));
+    RETURN_PACKED_ARGS(3, PyLong_FromUnsignedLong, unsigned char, a, b, c);
 }
 
 
@@ -274,7 +260,7 @@ static PyObject *
 short_converter_impl(PyObject *module, short a)
 /*[clinic end generated code: output=1ebb7ddb64248988 input=b4e2309a66f650ae]*/
 {
-    RETURN_PACKED_ARGS(1, PyLong_FromLong(a));
+    RETURN_PACKED_ARGS(1, PyLong_FromLong, long, a);
 }
 
 
@@ -293,10 +279,7 @@ unsigned_short_converter_impl(PyObject *module, unsigned short a,
                               unsigned short b, unsigned short c)
 /*[clinic end generated code: output=5f92cc72fc8707a7 input=9d15cd11e741d0c6]*/
 {
-    RETURN_PACKED_ARGS(3,
-                       PyLong_FromUnsignedLong(a),
-                       PyLong_FromUnsignedLong(b),
-                       PyLong_FromUnsignedLong(c));
+    RETURN_PACKED_ARGS(3, PyLong_FromUnsignedLong, unsigned long, a, b, c);
 }
 
 
@@ -314,10 +297,7 @@ static PyObject *
 int_converter_impl(PyObject *module, int a, int b, int c)
 /*[clinic end generated code: output=8e56b59be7d0c306 input=a1dbc6344853db7a]*/
 {
-    RETURN_PACKED_ARGS(3,
-                       PyLong_FromLong(a),
-                       PyLong_FromLong(b),
-                       PyLong_FromLong(c));
+    RETURN_PACKED_ARGS(3, PyLong_FromLong, long, a, b, c);
 }
 
 
@@ -336,10 +316,7 @@ unsigned_int_converter_impl(PyObject *module, unsigned int a, unsigned int b,
                             unsigned int c)
 /*[clinic end generated code: output=399a57a05c494cc7 input=8427ed9a3f96272d]*/
 {
-    RETURN_PACKED_ARGS(3,
-                       PyLong_FromUnsignedLong(a),
-                       PyLong_FromUnsignedLong(b),
-                       PyLong_FromUnsignedLong(c));
+    RETURN_PACKED_ARGS(3, PyLong_FromUnsignedLong, unsigned long, a, b, c);
 }
 
 
@@ -355,7 +332,7 @@ static PyObject *
 long_converter_impl(PyObject *module, long a)
 /*[clinic end generated code: output=9663d936a652707a input=84ad0ef28f24bd85]*/
 {
-    RETURN_PACKED_ARGS(1, PyLong_FromLong(a));
+    RETURN_PACKED_ARGS(1, PyLong_FromLong, long, a);
 }
 
 
@@ -374,10 +351,7 @@ unsigned_long_converter_impl(PyObject *module, unsigned long a,
                              unsigned long b, unsigned long c)
 /*[clinic end generated code: output=120b82ea9ebd93a8 input=440dd6f1817f5d91]*/
 {
-    RETURN_PACKED_ARGS(3,
-                       PyLong_FromUnsignedLong(a),
-                       PyLong_FromUnsignedLong(b),
-                       PyLong_FromUnsignedLong(c));
+    RETURN_PACKED_ARGS(3, PyLong_FromUnsignedLong, unsigned long, a, b, c);
 }
 
 
@@ -393,7 +367,7 @@ static PyObject *
 long_long_converter_impl(PyObject *module, long long a)
 /*[clinic end generated code: output=5fb5f2220770c3e1 input=730fcb3eecf4d993]*/
 {
-    RETURN_PACKED_ARGS(1, PyLong_FromLongLong(a));
+    RETURN_PACKED_ARGS(1, PyLong_FromLongLong, long long, a);
 }
 
 
@@ -412,10 +386,8 @@ unsigned_long_long_converter_impl(PyObject *module, unsigned long long a,
                                   unsigned long long b, unsigned long long c)
 /*[clinic end generated code: output=65b7273e63501762 input=300737b0bdb230e9]*/
 {
-    RETURN_PACKED_ARGS(3,
-                       PyLong_FromUnsignedLongLong(a),
-                       PyLong_FromUnsignedLongLong(b),
-                       PyLong_FromUnsignedLongLong(c));
+    RETURN_PACKED_ARGS(3, PyLong_FromUnsignedLongLong, unsigned long long,
+                       a, b, c);
 }
 
 
@@ -434,10 +406,7 @@ py_ssize_t_converter_impl(PyObject *module, Py_ssize_t a, Py_ssize_t b,
                           Py_ssize_t c)
 /*[clinic end generated code: output=ce252143e0ed0372 input=76d0f342e9317a1f]*/
 {
-    RETURN_PACKED_ARGS(3,
-                       PyLong_FromSsize_t(a),
-                       PyLong_FromSsize_t(b),
-                       PyLong_FromSsize_t(c));
+    RETURN_PACKED_ARGS(3, PyLong_FromSsize_t, Py_ssize_t, a, b, c);
 }
 
 
@@ -456,10 +425,7 @@ slice_index_converter_impl(PyObject *module, Py_ssize_t a, Py_ssize_t b,
                            Py_ssize_t c)
 /*[clinic end generated code: output=923c6cac77666a6b input=64f99f3f83265e47]*/
 {
-    RETURN_PACKED_ARGS(3,
-                       PyLong_FromSsize_t(a),
-                       PyLong_FromSsize_t(b),
-                       PyLong_FromSsize_t(c));
+    RETURN_PACKED_ARGS(3, PyLong_FromSsize_t, Py_ssize_t, a, b, c);
 }
 
 
@@ -475,7 +441,7 @@ static PyObject *
 size_t_converter_impl(PyObject *module, size_t a)
 /*[clinic end generated code: output=412b5b7334ab444d input=83ae7d9171fbf208]*/
 {
-    RETURN_PACKED_ARGS(1, PyLong_FromSize_t(a));
+    RETURN_PACKED_ARGS(1, PyLong_FromSize_t, size_t, a);
 }
 
 
@@ -491,7 +457,7 @@ static PyObject *
 float_converter_impl(PyObject *module, float a)
 /*[clinic end generated code: output=1c98f64f2cf1d55c input=a625b59ad68047d8]*/
 {
-    RETURN_PACKED_ARGS(1, PyFloat_FromDouble((double)a));
+    RETURN_PACKED_ARGS(1, PyFloat_FromDouble, double, a);
 }
 
 
@@ -507,7 +473,7 @@ static PyObject *
 double_converter_impl(PyObject *module, double a)
 /*[clinic end generated code: output=a4e8532d284d035d input=098df188f24e7c62]*/
 {
-    RETURN_PACKED_ARGS(1, PyFloat_FromDouble(a));
+    RETURN_PACKED_ARGS(1, PyFloat_FromDouble, double, a);
 }
 
 
@@ -523,7 +489,7 @@ static PyObject *
 py_complex_converter_impl(PyObject *module, Py_complex a)
 /*[clinic end generated code: output=9e6ca2eb53b14846 input=e9148a8ca1dbf195]*/
 {
-    RETURN_PACKED_ARGS(1, PyComplex_FromCComplex(a));
+    RETURN_PACKED_ARGS(1, PyComplex_FromCComplex, Py_complex, a);
 }
 
 
@@ -542,13 +508,65 @@ str_converter_impl(PyObject *module, const char *a, const char *b,
                    const char *c, Py_ssize_t c_length)
 /*[clinic end generated code: output=475bea40548c8cd6 input=bff2656c92ee25de]*/
 {
-    RETURN_PACKED_ARGS(3,
-                       PyUnicode_FromString(a),
-                       PyUnicode_FromString(b),
-                       PyUnicode_FromStringAndSize(c, c_length));
+    assert(!PyErr_Occurred());
+    PyObject *out[3] = {NULL,};
+    int i = 0;
+    PyObject *arg;
+
+    arg = PyUnicode_FromString(a);
+    assert(arg || PyErr_Occurred());
+    if (!arg) {
+        goto error;
+    }
+    out[i++] = arg;
+
+    arg = PyUnicode_FromString(b);
+    assert(arg || PyErr_Occurred());
+    if (!arg) {
+        goto error;
+    }
+    out[i++] = arg;
+
+    arg = PyUnicode_FromStringAndSize(c, c_length);
+    assert(arg || PyErr_Occurred());
+    if (!arg) {
+        goto error;
+    }
+    out[i++] = arg;
+
+    PyObject *tuple = PyTuple_New(3);
+    if (!tuple) {
+        goto error;
+    }
+    for (int j = 0; j < 3; j++) {
+        PyTuple_SET_ITEM(tuple, j, out[j]);
+    }
+    return tuple;
+
+error:
+    for (int j = 0; j < i; j++) {
+        Py_DECREF(out[j]);
+    }
+    return NULL;
 }
 
 
+static PyObject *
+bytes_from_buffer(Py_buffer *buf)
+{
+    PyObject *bytes_obj = PyBytes_FromStringAndSize(NULL, buf->len);
+    if (!bytes_obj) {
+        return NULL;
+    }
+    void *bytes_obj_buf = ((PyBytesObject *)bytes_obj)->ob_sval;
+    if (PyBuffer_ToContiguous(bytes_obj_buf, buf, buf->len, 'C') < 0) {
+        Py_DECREF(bytes_obj);
+        return NULL;
+    }
+    PyBuffer_Release(buf);
+    return bytes_obj;
+}
+
 /*[clinic input]
 py_buffer_converter
 
@@ -562,31 +580,7 @@ static PyObject *
 py_buffer_converter_impl(PyObject *module, Py_buffer *a, Py_buffer *b)
 /*[clinic end generated code: output=52fb13311e3d6d03 input=775de727de5c7421]*/
 {
-    PyObject *new_a = PyBytes_FromStringAndSize(NULL, a->len);
-    if (!new_a) {
-        return NULL;
-    }
-    void *new_a_buf = ((PyBytesObject *)new_a)->ob_sval;
-    if (PyBuffer_ToContiguous(new_a_buf, a, a->len, 'C') < 0) {
-        Py_DECREF(new_a);
-        return NULL;
-    }
-    PyBuffer_Release(a);
-
-    PyObject *new_b = PyBytes_FromStringAndSize(NULL, b->len);
-    if (!new_b) {
-        Py_DECREF(new_a);
-        return NULL;
-    }
-    void *new_b_buf = ((PyBytesObject *)new_b)->ob_sval;
-    if (PyBuffer_ToContiguous(new_b_buf, b, b->len, 'C') < 0) {
-        Py_DECREF(new_a);
-        Py_DECREF(new_b);
-        return NULL;
-    }
-    PyBuffer_Release(b);
-
-    RETURN_PACKED_ARGS(2, new_a, new_b);
+    RETURN_PACKED_ARGS(2, bytes_from_buffer, Py_buffer *, a, b);
 }
 
 

From ce337e89e5955fdf5e1148073287c74cd9c38946 Mon Sep 17 00:00:00 2001
From: colorfulappl <colorfulappl@qq.com>
Date: Tue, 15 Nov 2022 10:31:51 +0800
Subject: [PATCH 29/29] Remove unnecessary logic

---
 Modules/_testclinic.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Modules/_testclinic.c b/Modules/_testclinic.c
index 1a9d93c882678a..c9858e96445714 100644
--- a/Modules/_testclinic.c
+++ b/Modules/_testclinic.c
@@ -54,7 +54,7 @@ pack_arguments_newref(int argc, ...)
         arg_type in[argc] = {__VA_ARGS__}; \
         PyObject *out[argc] = {NULL,}; \
         for (int _i = 0; _i < argc; _i++) { \
-            out[_i] = wrapper((arg_type)in[_i]); \
+            out[_i] = wrapper(in[_i]); \
             assert(out[_i] || PyErr_Occurred()); \
             if (!out[_i]) { \
                 for (int _j = 0; _j < _i; _j++) { \
@@ -563,7 +563,6 @@ bytes_from_buffer(Py_buffer *buf)
         Py_DECREF(bytes_obj);
         return NULL;
     }
-    PyBuffer_Release(buf);
     return bytes_obj;
 }
 

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