[libcxx-commits] [libcxx] [libc++] Fix data race between packaged_task::operator() and get_future() (PR #214338)

[Nikolas Klauser via libcxx-commits]

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philnik777 wrote:

Why would this affect the ABI? AFAIK `atomic<unsigned>` and `unsigned` have the same ABI on all platforms we support.

https://github.com/llvm/llvm-project/pull/214338