possibly_true_rl
if (!possibly_true_rl(rl, SPECIAL_EQUAL, err_ptr_rl))
if (!estate || !possibly_true_rl(estate_rl(estate), SPECIAL_EQUAL, err_ptr_rl))
if (!possibly_true_rl(rl_left, expr->op, rl_right)) {
int possibly_true_rl(struct range_list *left_ranges, int comparison, struct range_list *right_ranges);
if (possibly_true_rl(passed, SPECIAL_EQUAL, limit))
if (!possibly_true_rl(var_rl, comparison, ret_range))
if (possibly_true_rl(range_rl, SPECIAL_EQUAL, estate_rl(db_info->ret_state)))
return possibly_true_rl(var_rl, comparison, rl);
poss_true = possibly_true_rl(left_ranges, expr->op, right_ranges);
return possibly_true_rl(a, comparison, b);
return possibly_true_rl(b, comparison, a);