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[3.14] gh-135906: Use _PyObject_CAST in internal headers (GH-135892) (GH-136392)

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gh-135906: Use `_PyObject_CAST` in internal headers (GH-135892)

Fixes build errors encountered in python-greenlet/greenlet#450 when building greenlet on the free-threaded build.

---------
(cherry picked from commit fe187fae8d)

Co-authored-by: Charlie Lin <tuug@gmx.us>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
This commit is contained in:
Miss Islington (bot) 2025-07-07 19:21:28 +02:00 • committed by GitHub
parent 5a7d266fcb
commit c72699086f
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3 changed files with 4 additions and 3 deletions
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4
Include/internal/pycore_object.h
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@ -614,7 +614,7 @@ static inline PyObject *
_Py_XGetRef(PyObject **ptr) _Py_XGetRef(PyObject **ptr)
{ {
for (;;) { for (;;) {
PyObject *value = _Py_atomic_load_ptr(ptr); PyObject *value = _PyObject_CAST(_Py_atomic_load_ptr(ptr));
if (value == NULL) { if (value == NULL) {
return value; return value;
} }
@ -629,7 +629,7 @@ _Py_XGetRef(PyObject **ptr)
static inline PyObject * static inline PyObject *
_Py_TryXGetRef(PyObject **ptr) _Py_TryXGetRef(PyObject **ptr)
{ {
PyObject *value = _Py_atomic_load_ptr(ptr); PyObject *value = _PyObject_CAST(_Py_atomic_load_ptr(ptr));
if (value == NULL) { if (value == NULL) {
return value; return value;
} }

2
Include/internal/pycore_stackref.h
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@ -765,7 +765,7 @@ _Py_TryIncrefCompareStackRef(PyObject **src, PyObject *op, _PyStackRef *out)
static inline int static inline int
_Py_TryXGetStackRef(PyObject **src, _PyStackRef *out) _Py_TryXGetStackRef(PyObject **src, _PyStackRef *out)
{ {
PyObject *op = _Py_atomic_load_ptr_relaxed(src); PyObject *op = _PyObject_CAST(_Py_atomic_load_ptr_relaxed(src));
if (op == NULL) { if (op == NULL) {
*out = PyStackRef_NULL; *out = PyStackRef_NULL;
return 1; return 1;

1
Misc/NEWS.d/next/C_API/2025-06-25-01-03-10.gh-issue-135906.UBrCWq.rst Normal file
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@ -0,0 +1 @@
Fix compilation errors when compiling the internal headers with a C++ compiler.