[clang] Adding `asuint` implementation to hlsl (PR #107292)

[Justin Bogner via cfe-commits]

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@@ -10,6 +10,7 @@
 #define _HLSL_HLSL_INTRINSICS_H_
 
 namespace hlsl {
+#include "hlsl_details.h"
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bogner wrote:

We shouldn't `#include` a file inside a namespace. Instead, "hlsl_details.h" should also have a `namespace hlsl {}` block around the `__detail` namespace.

https://github.com/llvm/llvm-project/pull/107292