[libcxx-commits] [libcxx] [AIX][libc++] Fix redefinition of wchar_t overloads on AIX (PR #201432)

[Nikolas Klauser via libcxx-commits]

https://github.com/philnik777 requested changes to this pull request.

This header already has a guard. Why would a second one be required?

https://github.com/llvm/llvm-project/pull/201432