Dino Viehland ae460d450a gh-113743: Make the MRO cache thread-safe in free-threaded builds (#113930) ...

Makes _PyType_Lookup thread safe, including:
    Thread safety of the underlying cache.
    Make mutation of mro and type members thread safe
    Also _PyType_GetMRO and _PyType_GetBases are currently returning borrowed references which aren't safe.

2024-02-15 10:54:57 -08:00

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