[libcxx-commits] [libcxx] [libc++] Don't try to wait on a thread that hasn't started in std::async, take 2 (PR #130145)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne approved this pull request.

LGTM, thanks for fixing!

https://github.com/llvm/llvm-project/pull/130145