diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-07-17-14-20-59.bpo-44661.BQbXiH.rst b/Misc/NEWS.d/next/Core and Builtins/2021-07-17-14-20-59.bpo-44661.BQbXiH.rst
new file mode 100644
index 00000000000000..bafa98e5826cd4
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2021-07-17-14-20-59.bpo-44661.BQbXiH.rst
@@ -0,0 +1,2 @@
+Update ``property_descr_set`` to use vectorcall if possible. Patch by Dong-hee
+Na.
diff --git a/Objects/descrobject.c b/Objects/descrobject.c
index 57a9607d10c31a..0565992bdb79f7 100644
--- a/Objects/descrobject.c
+++ b/Objects/descrobject.c
@@ -1614,10 +1614,13 @@ property_descr_set(PyObject *self, PyObject *obj, PyObject *value)
propertyobject *gs = (propertyobject *)self;
PyObject *func, *res;
- if (value == NULL)
+ if (value == NULL) {
func = gs->prop_del;
- else
+ }
+ else {
func = gs->prop_set;
+ }
+
if (func == NULL) {
if (gs->prop_name != NULL) {
PyErr_Format(PyExc_AttributeError,
@@ -1625,7 +1628,8 @@ property_descr_set(PyObject *self, PyObject *obj, PyObject *value)
"can't delete attribute %R" :
"can't set attribute %R",
gs->prop_name);
- } else {
+ }
+ else {
PyErr_SetString(PyExc_AttributeError,
value == NULL ?
"can't delete attribute" :
@@ -1633,12 +1637,19 @@ property_descr_set(PyObject *self, PyObject *obj, PyObject *value)
}
return -1;
}
- if (value == NULL)
+
+ if (value == NULL) {
res = PyObject_CallOneArg(func, obj);
- else
- res = PyObject_CallFunctionObjArgs(func, obj, value, NULL);
- if (res == NULL)
+ }
+ else {
+ PyObject *args[] = { obj, value };
+ res = PyObject_Vectorcall(func, args, 2, NULL);
+ }
+
+ if (res == NULL) {
return -1;
+ }
+
Py_DECREF(res);
return 0;
}
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