[libc-commits] [libc] [libc][__support][bit] remove compiler has builtin checks (PR #81679)

[Michael Jones via libc-commits]

https://github.com/michaelrj-google commented:

I'm fine with doing this conceptually, but have you tested it on arm and risc-v? Sometimes the compilers for those are missing builtins unexpectedly

https://github.com/llvm/llvm-project/pull/81679