[llvm-branch-commits] [libcxx] [libc++][modules] Adds module testing. (PR #76246)

[Will Hawkins via llvm-branch-commits]

https://github.com/hawkinsw commented:

If you are okay with the suggestions that I made for some typos in the documentation, I will preemptively incorporate it into my documentation PR. 

I really like how you integrated module testing so nicely. I hope my comments are helpful!

https://github.com/llvm/llvm-project/pull/76246