[libcxx-commits] [libcxx] [libc++] Make forward_list constexpr as part of P3372R3 (PR #129435)

[Louis Dionne via libcxx-commits]

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

This LGTM with minor comments. If you end up having to make major modifications to add support for fancy pointers in the tests, please let me know so I can have another look. Thanks a lot for the patch!

https://github.com/llvm/llvm-project/pull/129435