[libc-commits] [libc] [llvm] [libc][math] change bf16fmal to be header-only and constexpr-compat (PR #181666)

[via libc-commits]

Serosh-commits wrote:

@bassiounix i also made the underlying FPUtil parts constexpr so this function can actually be used in constexpr contexts for the C++23 RFC. Does this look right to u i am little bit not sure about that 

https://github.com/llvm/llvm-project/pull/181666