[clang] [libcxx] [Clang] Normalize constraints before checking for satisfaction (PR #141776)

[Younan Zhang via cfe-commits]

https://github.com/zyn0217 approved this pull request.

A few more comments, and it would be great if we could tidy up our header includes.

Please wait for some time before others want to speak something. Otherwise this LGTM assuming CI is happy with our approach. 😄



https://github.com/llvm/llvm-project/pull/141776