[clang] [Sema]Use tag name lookup for class names (PR #112166)

[Gábor Spaits via cfe-commits]

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@@ -357,10 +357,13 @@ ParsedType Sema::getTypeName(const IdentifierInfo &II, SourceLocation NameLoc,
       return nullptr;
   }
 
-  // FIXME: LookupNestedNameSpecifierName isn't the right kind of
-  // lookup for class-names.
-  LookupNameKind Kind = isClassName ? LookupNestedNameSpecifierName :
-                                      LookupOrdinaryName;
+  // In case we know that the identifier is a class name, we know that it is
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spaits wrote:

Sorry for the bad wording/sentence structure. English is my second language :).

https://github.com/llvm/llvm-project/pull/112166