[libcxx-commits] [libcxx] [libc++] Overhaul the PSTL dispatching mechanism (PR #88131)

[Louis Dionne via libcxx-commits]

ldionne wrote:

This is a draft patch. I'm going to be chipping away at it by extracting smaller reviews like #88127.

https://github.com/llvm/llvm-project/pull/88131