[llvm] [IVDescriptors] Don't require nsz/nnan for (min|max)num. (PR #137003)

[Nikita Popov via llvm-commits]

nikic wrote:

@andykaylor This is the result of a recent (and imho misguided) change to LangRef, see https://github.com/llvm/llvm-project/pull/112852. Probably alive2 implements the old semantics.

https://github.com/llvm/llvm-project/pull/137003