[libc-commits] [libc] [llvm] [libc] Add more functions in CPP/bit.h (PR #73814)

[Schrodinger ZHU Yifan via libc-commits]

SchrodingerZhu wrote:

lgtm. A latter patch should migrate those from `__support/bit.h` to `CPP/bit.h`?

https://github.com/llvm/llvm-project/pull/73814