From 31ad0d90125ad8422aaf8e346b4371437042c0bb Mon Sep 17 00:00:00 2001
From: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
Date: Wed, 23 Jul 2025 00:17:26 +0800
Subject: [PATCH 1/3] Track executor before any possible deallocations
---
Python/optimizer.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Python/optimizer.c b/Python/optimizer.c
index 8d01d605ef4a2a..84f29ac369aa12 100644
--- a/Python/optimizer.c
+++ b/Python/optimizer.c
@@ -1222,6 +1222,10 @@ make_executor_from_uops(_PyUOpInstruction *buffer, int length, const _PyBloomFil
}
sanity_check(executor);
#endif
+ // Note: this MUST be here before any Py_DECREF(executor).
+ // Otherwise, the GC tries to untrack a still untracked object
+ // during dealloc.
+ _PyObject_GC_TRACK(executor);
#ifdef _Py_JIT
executor->jit_code = NULL;
executor->jit_side_entry = NULL;
@@ -1234,7 +1238,6 @@ make_executor_from_uops(_PyUOpInstruction *buffer, int length, const _PyBloomFil
return NULL;
}
#endif
- _PyObject_GC_TRACK(executor);
return executor;
}
From c16da4ff010186ddced1c7acf7fc3b529e3e179b Mon Sep 17 00:00:00 2001
From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com>
Date: Tue, 22 Jul 2025 16:20:11 +0000
Subject: [PATCH 2/3] =?UTF-8?q?=F0=9F=93=9C=F0=9F=A4=96=20Added=20by=20blu?=
=?UTF-8?q?rb=5Fit.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
.../2025-07-22-16-20-06.gh-issue-137007.1oPvvK.rst | 1 +
1 file changed, 1 insertion(+)
create mode 100644 Misc/NEWS.d/next/Core_and_Builtins/2025-07-22-16-20-06.gh-issue-137007.1oPvvK.rst
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2025-07-22-16-20-06.gh-issue-137007.1oPvvK.rst b/Misc/NEWS.d/next/Core_and_Builtins/2025-07-22-16-20-06.gh-issue-137007.1oPvvK.rst
new file mode 100644
index 00000000000000..cb25fd10c0bd2c
--- /dev/null
+++ b/Misc/NEWS.d/next/Core_and_Builtins/2025-07-22-16-20-06.gh-issue-137007.1oPvvK.rst
@@ -0,0 +1 @@
+Fix a bug during JIT compilation failure which caused garbage collection debug assertions to fail.
From 4f9f6ded0f65fa53ee03ab1ba2cef2537923bbe4 Mon Sep 17 00:00:00 2001
From: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
Date: Wed, 23 Jul 2025 00:55:18 +0800
Subject: [PATCH 3/3] move further up
---
Python/optimizer.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/Python/optimizer.c b/Python/optimizer.c
index 84f29ac369aa12..2e8a17757df76f 100644
--- a/Python/optimizer.c
+++ b/Python/optimizer.c
@@ -1205,6 +1205,10 @@ make_executor_from_uops(_PyUOpInstruction *buffer, int length, const _PyBloomFil
assert(next_exit == -1);
assert(dest == executor->trace);
assert(dest->opcode == _START_EXECUTOR);
+ // Note: we MUST track it here before any Py_DECREF(executor) or
+ // linking of executor. Otherwise, the GC tries to untrack a
+ // still untracked object during dealloc.
+ _PyObject_GC_TRACK(executor);
_Py_ExecutorInit(executor, dependencies);
#ifdef Py_DEBUG
char *python_lltrace = Py_GETENV("PYTHON_LLTRACE");
@@ -1222,10 +1226,6 @@ make_executor_from_uops(_PyUOpInstruction *buffer, int length, const _PyBloomFil
}
sanity_check(executor);
#endif
- // Note: this MUST be here before any Py_DECREF(executor).
- // Otherwise, the GC tries to untrack a still untracked object
- // during dealloc.
- _PyObject_GC_TRACK(executor);
#ifdef _Py_JIT
executor->jit_code = NULL;
executor->jit_side_entry = NULL;
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