[clang] [Clang][Sema] Diagnose class member access expressions naming non-existent members of the current instantiation prior to instantiation in the absence of dependent base classes (PR #84050)

[Erich Keane via cfe-commits]

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@@ -825,7 +825,10 @@ void Sema::ActOnPragmaUnused(const Token &IdTok, Scope *curScope,
 
   IdentifierInfo *Name = IdTok.getIdentifierInfo();
   LookupResult Lookup(*this, Name, IdTok.getLocation(), LookupOrdinaryName);
-  LookupParsedName(Lookup, curScope, nullptr, true);
+  LookupParsedName(Lookup, curScope,
+                   /*SS=*/nullptr,
+                   /*ObjectType=*/QualType(),
+                   /*AllowBuiltinCreation*/ true);
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erichkeane wrote:

```suggestion
                   /*AllowBuiltinCreation=*/ true);
```

https://github.com/llvm/llvm-project/pull/84050