[llvm-branch-commits] [libcxx] [libc++][modules] Improves std.compat module. (PR #76330)

[Louis Dionne via llvm-branch-commits]

https://github.com/ldionne commented:

This generally looks OK to me, but I'd like to see it once the parent patches have landed.

https://github.com/llvm/llvm-project/pull/76330