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gh-124296: Remove private dictionary version tag (PEP 699) (#124472)

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Sam Gross 2024-10-01 12:39:56 -04:00 • committed by GitHub
parent 60ff67d010
commit 5aa91c56bf
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13 changed files with 35 additions and 354 deletions
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Python/executor_cases.c.h generated
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@ -2625,7 +2625,6 @@
JUMP_TO_JUMP_TARGET();
}
PyObject *old_value;
uint64_t new_version;
if (!DK_IS_UNICODE(dict->ma_keys)) {
UOP_STAT_INC(uopcode, miss);
JUMP_TO_JUMP_TARGET();
@ -2641,9 +2640,8 @@
}
old_value = ep->me_value;
PyDict_WatchEvent event = old_value == NULL ? PyDict_EVENT_ADDED : PyDict_EVENT_MODIFIED;
new_version = _PyDict_NotifyEvent(tstate->interp, event, dict, name, PyStackRef_AsPyObjectBorrow(value));
_PyDict_NotifyEvent(tstate->interp, event, dict, name, PyStackRef_AsPyObjectBorrow(value));
ep->me_value = PyStackRef_AsPyObjectSteal(value);
dict->ma_version_tag = new_version; // PEP 509
// 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.
Py_XDECREF(old_value);