[libcxx-commits] [libcxx] [libcxx] Fix compiling for macOS versions before 10.13 (PR #126669)

[Louis Dionne via libcxx-commits]

ldionne wrote:

In the case of macOS versions older than 10.13, we don't support it because even recent Xcode versions have dropped support for back-deploying that far back.

https://github.com/llvm/llvm-project/pull/126669