[clang] [HLSL] Allow truncation to scalar (PR #104844)

[Damyan Pepper via cfe-commits]

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@@ -673,9 +673,6 @@ float dot(float3, float3);
 _HLSL_BUILTIN_ALIAS(__builtin_hlsl_dot)
 float dot(float4, float4);
 
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_dot)
-double dot(double, double);
-
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damyanp wrote:

Surprised to see this here based on the description. Wonder if we could hand hold readers a bit more to explain why this was removed?

https://github.com/llvm/llvm-project/pull/104844