{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"tcx.features().arbitrary_self_types()"}]}
        tcx.features().arbitrary_self_types() || tcx.features().arbitrary_self_types_pointers();
    let arbitrary_self_types_enabled =
    let (mut steps, reached_recursion_limit): (Vec<_>, bool) = if arbitrary_self_types_enabled {