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gh-143543: Fix re-entrant use-after-free in itertools.groupby #232033

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gh-143543: Fix re-entrant use-after-free in itertools.groupby

gh-143543: Fix re-entrant use-after-free in itertools.groupby #232033

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Job	Run time
Unresolved review	5s
DO-NOT-MERGE	5s
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