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

[via libcxx-commits]

joanahalili wrote:

Regarding the performance regression, here is a rough example of what we are seeing internally. https://godbolt.org/z/qaKofeGzW
The godbolt link compares the x86-64 clang 18.1 with trunk, but we have reproduced this internally and can see the regression for smaller values caused by this commit.  


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