merge_stree
merge_stree(&a_T_b_T, a_F_c_T);
merge_stree(&a_T_b_F, a_F_c_F);
merge_stree(&final_states, __get_cur_stree());
merge_stree(&data->final_states, stree);
merge_stree(&data.final_states, stree);
merge_stree(&data.final_states, stree);
merge_stree(&all_return_states, __get_cur_stree());
merge_stree(&res, tmp_stree);
void merge_stree(struct stree **to, struct stree *stree);
void merge_stree(struct stree **to, struct stree *right);
merge_stree(&cur_stree, stree);
merge_stree(&stree, cur_stree);
merge_stree(&cur_stree, stree);
merge_stree(&stree, cur_stree);
merge_stree(&stree, top_stree(fake_cur_stree_stack));
merge_stree(&cur_stree, stree);
merge_stree(&cur_stree, implied_stree);
merge_stree(stree, cur_stree);
merge_stree(&cur_stree, *stree);
merge_stree(&cur_stree, stree);