[clang] [llvm] [SPIRV] Add Target Builtins using Distance ext as an example (PR #121598)

[Justin Bogner via cfe-commits]

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@@ -0,0 +1,29 @@
+//===----- SemaSPIRV.h ----- Semantic Analysis for SPIRV constructs
+//---------===//
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bogner wrote:

clang-format went wrong here

https://github.com/llvm/llvm-project/pull/121598