[libcxx-commits] [libcxx] [libc++][test] Enhance `ADDITIONAL_COMPILE_FLAGS` to work with MSVC (PR #74974)

[Nikolas Klauser via libcxx-commits]

https://github.com/philnik777 commented:

I think I would name the features `gcc-style-warnings` and `cl-style-warnings` to make it clear what the intended use here is. I don't think we want anybody to start using these flags for anything else.

https://github.com/llvm/llvm-project/pull/74974