[libcxx-commits] [libcxx] [libc++] Add "using-if-exists" to timespec_get in modules (PR #78686)

[Mark de Wever via libcxx-commits]

mordante wrote:

I've just relanded the dependencies for this patch. Could you rebase this patch to see whether the CI is green?

https://github.com/llvm/llvm-project/pull/78686