TOMOYO_NUMBER_UNION
case TOMOYO_NUMBER_UNION:
case TOMOYO_NUMBER_UNION:
case TOMOYO_NUMBER_UNION:
case TOMOYO_NUMBER_UNION:
if (left == TOMOYO_NUMBER_UNION) {
if (right == TOMOYO_NUMBER_UNION) {
left = TOMOYO_NUMBER_UNION;
right = TOMOYO_NUMBER_UNION;
case TOMOYO_NUMBER_UNION: