{"ast_node_type":"variable","tokens":[{"end":95,"kind":"keyword","start":0,"text":"let"}]}
        let lhs_tt = parse_one_tt(lhs_tt, RulePart::Pattern, sess, node_id, features, edition);
        let lhs_tt = p.parse_token_tree();
        check_emission(check_lhs(sess, node_id, &lhs_tt));