From b61fece8523d0fa6d9cc6ad3fd855a136c34f0cd Mon Sep 17 00:00:00 2001 From: Mark Shannon Date: Thu, 24 Oct 2024 11:57:02 +0100 Subject: GH-125868: Fix STORE_ATTR_WITH_HINT specialization (GH-125876) --- Python/bytecodes.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'Python/bytecodes.c') diff --git a/Python/bytecodes.c b/Python/bytecodes.c index 62e9b5ddd15..eaf2537fa07 100644 --- a/Python/bytecodes.c +++ b/Python/bytecodes.c @@ -2303,17 +2303,16 @@ dummy_func( assert(PyDict_CheckExact((PyObject *)dict)); PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); DEOPT_IF(hint >= (size_t)dict->ma_keys->dk_nentries); - PyObject *old_value; DEOPT_IF(!DK_IS_UNICODE(dict->ma_keys)); PyDictUnicodeEntry *ep = DK_UNICODE_ENTRIES(dict->ma_keys) + hint; 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); } - old_value = ep->me_value; - PyDict_WatchEvent event = old_value == NULL ? PyDict_EVENT_ADDED : PyDict_EVENT_MODIFIED; - _PyDict_NotifyEvent(tstate->interp, event, dict, name, PyStackRef_AsPyObjectBorrow(value)); + _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, // when dict only holds the strong reference to value in ep->me_value. -- cgit v1.2.3