[clang] [HLSL] Implement '__builtin_hlsl_is_intangible' type trait (PR #104544)

[Justin Bogner via cfe-commits]

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@@ -27,7 +29,7 @@
 
 using namespace clang;
 
-SemaHLSL::SemaHLSL(Sema &S) : SemaBase(S) {}
+SemaHLSL::SemaHLSL(Sema &S) : SemaBase(S), IsIntangibleTypeCache(8) {}
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bogner wrote:

Why initialize the DenseMap with a specific number of buckets here? Why 8?

https://github.com/llvm/llvm-project/pull/104544