[clang] [Headers][X86] Enable constexpr handling for MMX/SSE/AVX/AVX512 avg intrinsics (PR #157464)

[Bhasawut Singhaphan via cfe-commits]

https://github.com/markbhasawut ready_for_review 
https://github.com/llvm/llvm-project/pull/157464
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits