rmixl_intrhand
rmixl_intrhand_t *ih = &rmixl_intrhand[vec];
rmixl_intrhand_t rmixl_intrhand[NINTRVECS];
ih = &rmixl_intrhand[vec];
KASSERT(ih == &rmixl_intrhand[ih->ih_vec]);
KASSERT(ih == &rmixl_intrhand[vec]);
ih = &rmixl_intrhand[vec];