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gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614)

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Co-authored-by: Kumar Aditya <kumaraditya@python.org>
Co-authored-by: Victor Stinner <vstinner@python.org>
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Xuanteng Huang 2025-06-30 19:14:31 +08:00 • committed by GitHub
parent 0533c1faf2
commit b1056c2a44
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32 changed files with 77 additions and 83 deletions
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5
Objects/methodobject.c
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@ -8,6 +8,7 @@
#include "pycore_object.h"
#include "pycore_pyerrors.h"
#include "pycore_pystate.h" // _PyThreadState_GET()
#include "pycore_weakref.h" // FT_CLEAR_WEAKREFS()
/* undefine macro trampoline to PyCFunction_NewEx */
@ -167,9 +168,7 @@ meth_dealloc(PyObject *self)
{
PyCFunctionObject *m = _PyCFunctionObject_CAST(self);
PyObject_GC_UnTrack(m);
if (m->m_weakreflist != NULL) {
PyObject_ClearWeakRefs((PyObject*) m);
}
FT_CLEAR_WEAKREFS(self, m->m_weakreflist);
// We need to access ml_flags here rather than later.
// `m->m_ml` might have the same lifetime
// as `m_self` when it's dynamically allocated.