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author	Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
	Sun, 12 Apr 2026 15:05:34 +0000 (17:05 +0200)
committer	GitHub <noreply@github.com>
	Sun, 12 Apr 2026 15:05:34 +0000 (15:05 +0000)
commit	a89b2419e063b19c6d59428c40cd1ab58606e0b2
tree	14903b2f14d1ddaf9b11678e75f42bf95055363d	tree \| snapshot
parent	a9d122fb0547ee0f97cd3034fbd8bb5ca1e5800b	commit \| diff

[3.14] gh-148393: Use atomic ops on _ma_watcher_tag in free threading build (gh-148397) (#148451)

Fixes data races between dict mutation and watch/unwatch on the same dict.
(cherry picked from commit 3ab94d684286b49144bf2e43cc1041f3e4c0cda8)

Co-authored-by: Sam Gross <colesbury@gmail.com>

Include/internal/pycore_dict.h		diff \| blob \| blame \| history
Include/internal/pycore_pyatomic_ft_wrappers.h		diff \| blob \| blame \| history
Lib/test/test_free_threading/test_dict.py		diff \| blob \| blame \| history
Misc/NEWS.d/next/Core_and_Builtins/2026-04-11-17-28-52.gh-issue-148393.lX6gwN.rst	[new file with mode: 0644]	blob
Objects/dictobject.c		diff \| blob \| blame \| history
Python/optimizer_analysis.c		diff \| blob \| blame \| history

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