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[3.14] gh-157415: Fix data race in pthread wrapper (#157430) - #159547
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Use free() instead of PyMem_RawFree() in pythread_wrapper() to avoid a data race if another thread calls PyMem_SetAllocator() in parallel. Reenable @nomemtest tests on TSAN. Co-authored-by: Nathan Goldbaum <nathan.goldbaum@gmail.com> (cherry picked from commit d1878cc)
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Use free() instead of PyMem_RawFree() in pythread_wrapper() to avoid a data race if another thread calls PyMem_SetAllocator() in parallel.
(cherry picked from commit d1878cc)