{"ast_node_type":"variable","tokens":[{"end":56,"kind":"keyword","start":0,"text":"let"}]}
        let first_stmts = &bbs[first_target].statements;
        let discr_layout = tcx.layout_of(typing_env.as_query_input(discr_ty)).unwrap();
        let (second_case_val, second_target) = target_iter.next().unwrap();