src/Pure/Isar/overloading.ML

     |> Proof_Context.init_global
     |> Data.put overloading
     |> fold (fn ((_, ty), (v, _)) => Variable.declare_names (Free (v, ty))) overloading
     |> activate_improvable_syntax
     |> synchronize_syntax
-    |> Local_Theory.init (Sign.naming_of thy)
+    |> Local_Theory.init
+       {background_naming = Sign.naming_of thy,
+        exit = conclude #> Local_Theory.target_of #> Sign.change_end_local}
        {define = Generic_Target.define foundation,
         notes = Generic_Target.notes Generic_Target.theory_target_notes,
         abbrev = Generic_Target.abbrev Generic_Target.theory_target_abbrev,
         declaration = K Generic_Target.theory_declaration,
         theory_registration = Generic_Target.theory_registration,
         locale_dependency = fn _ => error "Not possible in overloading target",
-        pretty = pretty,
-        exit = conclude #> Local_Theory.target_of #> Sign.change_end_local}
+        pretty = pretty}
   end;
 
 val overloading = gen_overloading (fn ctxt => Syntax.check_term ctxt o Const);
 val overloading_cmd = gen_overloading Syntax.read_term;