[libc-commits] [libc] [llvm] [libc] Improve qsort (PR #120450)

[Michael Jones via libc-commits]

https://github.com/michaelrj-google approved this pull request.

Looks pretty much done, I've left one last comment but it should be fine to land after addressing that.

https://github.com/llvm/llvm-project/pull/120450