[clang] [HLSL] Implement HLSL splatting (PR #118992)

[Chris B via cfe-commits]

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@@ -4931,7 +4931,9 @@ static TypeSourceInfo *GetFullTypeForDeclarator(TypeProcessingState &state,
 
       // C99 6.7.5.3p1: The return type may not be a function or array type.
       // For conversion functions, we'll diagnose this particular error later.
-      if (!D.isInvalidType() && (T->isArrayType() || T->isFunctionType()) &&
+      if (!D.isInvalidType() &&
+          ((!S.getLangOpts().HLSL && T->isArrayType()) ||
+           T->isFunctionType()) &&
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llvm-beanz wrote:

This too...

https://github.com/llvm/llvm-project/pull/118992