--TEST-- GC 022: GC detach reference in executor's PZVAL_UNLOCK() --INI-- error_reporting=0 zend.enable_gc=1 --FILE-- <?php $a = array(array()); $a[0][0] =& $a[0]; $s = array(1) + unserialize(serialize($a[0])); var_dump(gc_collect_cycles()); echo "ok\n" ?> --EXPECT-- int(1) ok