[clang] [llvm] [HLSL][DXIL] Implement `refract` intrinsic (PR #136026)

[Kaitlin Peng via cfe-commits]

================
@@ -89,7 +132,7 @@ bool SemaSPIRV::CheckSPIRVBuiltinFunctionCall(unsigned BuiltinID,
     QualType ArgTyB = B.get()->getType();
     auto *VTyB = ArgTyB->getAs<VectorType>();
     if (VTyB == nullptr) {
-      SemaRef.Diag(A.get()->getBeginLoc(),
+      SemaRef.Diag(B.get()->getBeginLoc(),
----------------
kmpeng wrote:

Btw the distance case also uses A.get()->getBeginLoc() for ArgTyB, probably want to change that one too

https://github.com/llvm/llvm-project/pull/136026