[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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@@ -5789,7 +5789,10 @@ static ImplicitConversionSequence TryObjectArgumentInitialization(
     return ICS;
   }
 
+// FIXME: Should this check getAsRecordDecl instead?
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erichkeane wrote:

again.

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