[clang] [llvm] Clang: emit llvm.minnum and llvm.maxnum with nsz always (PR #113133)

[Matt Arsenault via cfe-commits]

arsenm wrote:

We should also have new builtins for the raw minnum / maxnum intrinsics (plus elementwise) to not get the nsz 

https://github.com/llvm/llvm-project/pull/113133