[clang] [llvm] [HLSL] Implement the `reflect` HLSL function (PR #122992)

[Deric Cheung via llvm-commits]

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@@ -34,6 +34,7 @@
 #include "llvm/IR/IntrinsicsSPIRV.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
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Icohedron wrote:

I don't recall adding that. I think my IDE did that for me :P 
I will remove it

https://github.com/llvm/llvm-project/pull/122992