[libcxx-commits] [libcxxabi] [libc++abi] Define `__cxa_thread_atexit` on platforms that need it (PR #186054)

[Lucas Chollet via libcxx-commits]

https://github.com/LucasChollet commented:

I applied the patch locally, and it solves the issue for SerenityOS. Thanks, @ldionne!

https://github.com/llvm/llvm-project/pull/186054