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Revert "GH-126491: GC: Mark objects reachable from roots before doing cycle collection (GH-126502)" (#126983)

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Hugo van Kemenade 2024-11-19 11:25:09 +02:00 • committed by GitHub
parent 84f07c3a4c
commit 899fdb213d
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21 changed files with 331 additions and 333 deletions
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Python/bytecodes.c
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@ -2340,6 +2340,10 @@ dummy_func(
DEOPT_IF(ep->me_key != name);
PyObject *old_value = ep->me_value;
DEOPT_IF(old_value == NULL);
/* Ensure dict is GC tracked if it needs to be */
if (!_PyObject_GC_IS_TRACKED(dict) && _PyObject_GC_MAY_BE_TRACKED(PyStackRef_AsPyObjectBorrow(value))) {
_PyObject_GC_TRACK(dict);
}
_PyDict_NotifyEvent(tstate->interp, PyDict_EVENT_MODIFIED, dict, name, PyStackRef_AsPyObjectBorrow(value));
ep->me_value = PyStackRef_AsPyObjectSteal(value);
// old_value should be DECREFed after GC track checking is done, if not, it could raise a segmentation fault,