[clang] [HLSL] Add bounds checks for the hlsl vector arguments and return types (PR #130724)

[Justin Bogner via cfe-commits]

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@@ -45,6 +45,10 @@ template <typename T> struct is_arithmetic {
   static const bool Value = __is_arithmetic(T);
 };
 
+template <typename T, int N>
+using HLSL_FIXED_VECTOR =
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bogner wrote:

`HLSL_FIXED_VECTOR` looks like a macro to me rather than a type. Why use all caps convention here?

https://github.com/llvm/llvm-project/pull/130724