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

[Guillaume Chatelet via llvm-commits]

gchatelet wrote:

> The implementations LGTM, but do you have plans to use all of these functions? If they don't have a use case right now they seem like they'd be easy enough to add later.

Thx for challenging the usefulness of this patch. AFAICT `popcount` is the only function that we don't currently use. I've removed it and added a comment.

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