[clang] [clang] fix some places where used decls were not marked as referenced (PR #191848)

[Erich Keane via cfe-commits]

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@@ -681,8 +681,7 @@ bool Sema::BuildCXXNestedNameSpecifier(Scope *S, NestedNameSpecInfo &IdInfo,
       }
     }
 
-    if (auto *TD = dyn_cast_or_null<TypedefNameDecl>(SD))
-      MarkAnyDeclReferenced(TD->getLocation(), TD, /*OdrUse=*/false);
+    MarkAnyDeclReferenced(SD->getLocation(), SD, /*OdrUse=*/false);
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erichkeane wrote:

Any idea why we only did this for typedef before? 

https://github.com/llvm/llvm-project/pull/191848