[3.14] gh-139103: fix free-threading `dataclass.init` perf issue (gh-141596) #141750

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Merged

colesbury merged 1 commit into python:3.14 from colesbury:backport-ce79154-3.14

Nov 19, 2025

Merged

[3.14] gh-139103: fix free-threading `dataclass.init` perf issue (gh-141596) #141750

[3.14] gh-139103: fix free-threading `dataclass.__init__` perf issue …

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