[clang] [clang] remove ClassScopeFunctionSpecializationDecl (PR #66636)

[Erich Keane via cfe-commits]

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@@ -2154,6 +2144,15 @@ bool RecursiveASTVisitor<Derived>::TraverseFunctionHelper(FunctionDecl *D) {
                                                   TALI->NumTemplateArgs));
       }
     }
+    // FIXME: Do we want to traverse the explicit template arguments for
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erichkeane wrote:

I don't have a great idea here... what do we do with other explicit template arguments?  My knee-jerk is 'yes'? 

https://github.com/llvm/llvm-project/pull/66636