[clang] [llvm] Intrinsic: introduce minimumnum and maximumnum (PR #93841)

[Nikita Popov via cfe-commits]

nikic wrote:

It looks like this PR was merged without being approved, and I also couldn't find the corresponding RFC for this addition on discourse. I've reverted it for now.

https://github.com/llvm/llvm-project/pull/93841