[clang] [HLSL] Add `[[hlsl::contained_type()]]` attribute (PR #108456)

[Helena Kotas via cfe-commits]

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@@ -30,9 +31,9 @@ class Scope;
 
 // FIXME: This can be hidden (as static function in SemaHLSL.cpp) once we no
 // longer need to create builtin buffer types in HLSLExternalSemaSource.
-bool CreateHLSLAttributedResourceType(Sema &S, QualType Wrapped,
-                                      ArrayRef<const Attr *> AttrList,
-                                      QualType &ResType);
+bool CreateHLSLAttributedResourceType(
+    Sema &S, QualType Wrapped, ArrayRef<const Attr *> AttrList,
+    QualType &ResType, HLSLAttributedResourceLocInfo *LocInfo = nullptr);
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hekota wrote:

We do not have typeloc info to fill out when we are creating implicit buffer types in HLSLExternalSemaSource, so the nullptr means do not fill.

https://github.com/llvm/llvm-project/pull/108456