--TEST--
Bug #78644: SEGFAULT in ZEND_UNSET_OBJ_SPEC_VAR_CONST_HANDLER
--FILE--
<?php
$a = new stdClass;
unset($a->b->c->d);
unset($a->b->c['d']);
var_dump($a);
?>
--EXPECT--
object(stdClass)#1 (1) {
["b"]=>
NULL
}