[libcxx-commits] [libcxx] [libc++] Simplify the implementation of std::sort a bit (PR #104902)

[Louis Dionne via libcxx-commits]

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

LGTM after live review, but please write an explanation of the patch in the PR description since it may not be obvious. This is basically a NFC refactoring without meaningful functionality change, but it's not immediately obvious.

https://github.com/llvm/llvm-project/pull/104902