[libcxx-commits] [libcxx] [libc++] Simplify the std::pair constructor overload set (PR #81448)

[Louis Dionne via libcxx-commits]

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

LGTM with formatting fixed, once extensions are officially allowed (in a few weeks).

https://github.com/llvm/llvm-project/pull/81448