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gh-146613: Fix re-entrant use-after-free in itertools._grouper #187619

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gh-146613: Fix re-entrant use-after-free in itertools._grouper

gh-146613: Fix re-entrant use-after-free in itertools._grouper #187619

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Docs / Doctest

succeeded Apr 1, 2026 in 6m 5s

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