combine_address_space
combine_address_space(s->pos, &ptr->ctype.as, s->ctype.as);
combine_address_space(sym->pos, &ptr->ctype.as, sym->ctype.as);
combine_address_space(sym->pos, &ptr->ctype.as, sym->ctype.as);
combine_address_space(deref->pos, &address_space, ctype->ctype.as);
combine_address_space(node->pos, &as, node->ctype.as);
combine_address_space(t1->pos, &as1, t1->ctype.as);
combine_address_space(t2->pos, &as2, t2->ctype.as);
combine_address_space(sym->pos, &as, sym->ctype.as);
combine_address_space(sym->pos, &as, sym->ctype.as);
combine_address_space(sym->pos, &as, sym->ctype.as);
combine_address_space(sym->pos, &sym->ctype.as, base_type->ctype.as);
combine_address_space(sym->pos, &sym->ctype.as, base_type->ctype.as);