{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"try_gate_cfg(cfg.name,"}]}
        try_gate_cfg(cfg.name, cfg.span, sess, features);
    eval_condition(cfg, sess, features, &mut |cfg| {
        match sess.psess.check_config.expecteds.get(&cfg.name) {