{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"debug_assert!(tcx.generics_of(def_id).has_self"}]}
        debug_assert!(tcx.generics_of(def_id).has_self && *self_arg == tcx.types.self_param);
        let self_arg = &mut inputs_and_output[0];
        *self_arg = Ty::new_mut_ptr(tcx, *self_arg);