POOL_IMAGIC
if (pi->pi_magic != POOL_IMAGIC(ph, pi)) {
if (pi->pi_magic != POOL_IMAGIC(ph, pi)) {
if (__predict_false(pi->pi_magic != POOL_IMAGIC(ph, pi))) {
0, pi->pi_magic, POOL_IMAGIC(ph, pi));
pi->pi_magic = POOL_IMAGIC(ph, pi);
pi->pi_magic = POOL_IMAGIC(ph, pi);
if (__predict_false(pi->pi_magic != POOL_IMAGIC(ph, pi))) {