[clang] [HLSL] Add diagnostic for enabling 16 bit types (PR #84537)

[Joshua Batista via cfe-commits]

================
@@ -243,6 +243,20 @@ HLSLToolChain::TranslateArgs(const DerivedArgList &Args, StringRef BoundArch,
   // FIXME: add validation for enable_16bit_types should be after HLSL 2018 and
----------------
bob80905 wrote:

Yes, I'll remove the comment.

https://github.com/llvm/llvm-project/pull/84537