[clang] [HLSL] Add implicit resource element type concepts to AST (PR #116413)

[Chris B via cfe-commits]

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@@ -323,19 +325,114 @@ struct TemplateParameterListBuilder {
     return *this;
   }
 
-  BuiltinTypeDeclBuilder &finalizeTemplateArgs() {
+  /*
+The concept specialization expression (CSE) constructed in
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llvm-beanz wrote:

nit: generally LLVM does per-line comment tokens for blocks (`//` rather than `/* ... */`)

https://github.com/llvm/llvm-project/pull/116413