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[3.15] gh-151223: fix tsan data races in load global specializations (GH-151393) (#151513)

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gh-151223: fix tsan data races in load global specializations (GH-151393)
(cherry picked from commit e9d5280f6c)

Co-authored-by: Kumar Aditya <kumaraditya@python.org>
This commit is contained in:
Miss Islington (bot) 2026-06-15 19:22:52 +02:00 • committed by GitHub
parent b5eea71702
commit 255b3fff97
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4 changed files with 12 additions and 12 deletions
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6
Python/executor_cases.c.h generated
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@ -10300,7 +10300,7 @@
assert(keys->dk_kind == DICT_KEYS_UNICODE);
PyDictUnicodeEntry *entries = DK_UNICODE_ENTRIES(keys);
assert(index < DK_SIZE(keys));
PyObject *res_o = FT_ATOMIC_LOAD_PTR_RELAXED(entries[index].me_value);
PyObject *res_o = FT_ATOMIC_LOAD_PTR_CONSUME(entries[index].me_value);
if (res_o == NULL) {
UOP_STAT_INC(uopcode, miss);
SET_CURRENT_CACHED_VALUES(0);
@ -10345,7 +10345,7 @@
}
assert(keys->dk_kind == DICT_KEYS_UNICODE);
PyDictUnicodeEntry *entries = DK_UNICODE_ENTRIES(keys);
PyObject *res_o = FT_ATOMIC_LOAD_PTR_RELAXED(entries[index].me_value);
PyObject *res_o = FT_ATOMIC_LOAD_PTR_CONSUME(entries[index].me_value);
if (res_o == NULL) {
UOP_STAT_INC(uopcode, miss);
SET_CURRENT_CACHED_VALUES(0);
@ -12151,7 +12151,7 @@
assert(keys->dk_kind == DICT_KEYS_UNICODE);
assert(index < FT_ATOMIC_LOAD_SSIZE_RELAXED(keys->dk_nentries));
PyDictUnicodeEntry *ep = DK_UNICODE_ENTRIES(keys) + index;
PyObject *attr_o = FT_ATOMIC_LOAD_PTR_RELAXED(ep->me_value);
PyObject *attr_o = FT_ATOMIC_LOAD_PTR_CONSUME(ep->me_value);
if (attr_o == NULL) {
UOP_STAT_INC(uopcode, miss);
_tos_cache0 = owner;