[clang] Implementing `asfloat` using `bit_cast` (PR #108686)

[Chris B via cfe-commits]

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@@ -361,6 +361,23 @@ bool any(double3);
 _HLSL_BUILTIN_ALIAS(__builtin_hlsl_any)
 bool any(double4);
 
+//===----------------------------------------------------------------------===//
+// asfloat builtins
+//===----------------------------------------------------------------------===//
+
+/// \fn uint asfloat(T Val)
+/// \brief Interprets the bit pattern of x as an unsigned integer.
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llvm-beanz wrote:

This looks copy-pasted and not updated.

https://github.com/llvm/llvm-project/pull/108686