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[3.12] gh-108295: Fix crashes with TypeVar weakrefs (GH-108517) (#108527)

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gh-108295: Fix crashes with TypeVar weakrefs (GH-108517)
(cherry picked from commit 482fad7f01)

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
This commit is contained in:
Miss Islington (bot) 2023-08-27 07:12:57 -07:00 • committed by GitHub
parent 3e20303717
commit 09877a15d5
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3 changed files with 14 additions and 0 deletions
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Objects/typevarobject.c
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@ -201,6 +201,7 @@ typevar_dealloc(PyObject *self)
Py_XDECREF(tv->constraints);
Py_XDECREF(tv->evaluate_constraints);
_PyObject_ClearManagedDict(self);
PyObject_ClearWeakRefs(self);
Py_TYPE(self)->tp_free(self);
Py_DECREF(tp);
@ -743,6 +744,7 @@ paramspec_dealloc(PyObject *self)
Py_DECREF(ps->name);
Py_XDECREF(ps->bound);
_PyObject_ClearManagedDict(self);
PyObject_ClearWeakRefs(self);
Py_TYPE(self)->tp_free(self);
Py_DECREF(tp);
@ -1022,6 +1024,7 @@ typevartuple_dealloc(PyObject *self)
Py_DECREF(tvt->name);
_PyObject_ClearManagedDict(self);
PyObject_ClearWeakRefs(self);
Py_TYPE(self)->tp_free(self);
Py_DECREF(tp);