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bpo-44263: Fix _decimal and _testcapi GC protocol (GH-26464)

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* _testcapi.heapgctype: implement a traverse function since the type
  is defined with Py_TPFLAGS_HAVE_GC.
* _decimal: PyDecSignalDictMixin_Type is no longer defined with
  Py_TPFLAGS_HAVE_GC since it has no traverse function.
This commit is contained in:
Victor Stinner 2021-05-31 13:10:31 +02:00 • committed by GitHub
parent d1124b09e8
commit 142e5c5445
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2 changed files with 9 additions and 2 deletions
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8
Modules/_testcapimodule.c
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@ -6548,6 +6548,13 @@ heapctype_init(PyObject *self, PyObject *args, PyObject *kwargs)
return 0;
}
static int
heapgcctype_traverse(HeapCTypeObject *self, visitproc visit, void *arg)
{
Py_VISIT(Py_TYPE(self));
return 0;
}
static void
heapgcctype_dealloc(HeapCTypeObject *self)
{
@ -6561,6 +6568,7 @@ static PyType_Slot HeapGcCType_slots[] = {
{Py_tp_init, heapctype_init},
{Py_tp_members, heapctype_members},
{Py_tp_dealloc, heapgcctype_dealloc},
{Py_tp_traverse, heapgcctype_traverse},
{Py_tp_doc, (char*)heapgctype__doc__},
{0, 0},
};