[libcxx-commits] [libcxx] [libc++] Fix wchar.h to work with modules (PR #146630)

[Nikolas Klauser via libcxx-commits]

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

I think this would be a lot cleaner if we just moved the overrides into something like `__wchar/overrides.h` and make that a module. Then you can include it in `wchar.h` and you don't need the weird macro dance.

I'd also like to see a test for this.


https://github.com/llvm/llvm-project/pull/146630