[libcxx-commits] [libcxx] [libc++] Add a thread-safe version of std::lgamma in the dylib (PR #153631)

[Louis Dionne via libcxx-commits]

ldionne wrote:

I forgot to fix the title of the PR before landing it, so it still refers to the old implementation that introduced something in the dylib. At least the commit message correctly describes the change. Sorry!

https://github.com/llvm/llvm-project/pull/153631