[libcxx-commits] [libcxx] [libcxx][clang-modules] Fix headers being marked as textual (PR #130723)

[Ian Anderson via libcxx-commits]

ian-twilightcoder wrote:

I still feel like this is very likely to break something if we don't modularize `__config_site` though. I have no idea how we can deal with `LIBCXX_GENERATED_INCLUDE_TARGET_DIR` != `LIBCXX_GENERATED_INCLUDE_DIR` though.

https://github.com/llvm/llvm-project/pull/130723