Fixed closure upvalue scoping

Src/AST/Myc.Ast.Dumper.pas

@@ -295,7 +295,11 @@ end;
 
 function TAstDumper.VisitVariableDeclaration(const Node: IVariableDeclarationNode): TDataValue;
 begin
-    Log('VariableDeclaration');
+    if Node is TBoundVariableDeclarationNode then
+        LogFmt('VariableDeclaration (IsBoxed: %s)', [(Node as TBoundVariableDeclarationNode).IsBoxed.ToString(TUseBoolStrs.True)])
+    else
+        Log('VariableDeclaration (unbound)');
+
     Indent;
     Node.Identifier.Accept(Self);
     if Assigned(Node.Initializer) then