[libcxx-commits] [libcxx] [libc++] do not redefine _LIBCPP_AVAILABILITY_HAS_INIT_PRIMARY_EXCEPTION (PR #177851)

[Louis Dionne via libcxx-commits]

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

Thanks for the cleanup!

https://github.com/llvm/llvm-project/pull/177851