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

[Louis Dionne via libcxx-commits]

ldionne wrote:

@philnik777 I would suggest reverting this and then splitting it into a few sub-commits. There were a few orthogonal changes in this patch that we could split out to isolate what's causing the regression.

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