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--TEST--
Bug #77345 (Segmentation faults stack overflow in cyclic garbage collector) (Bug #77427)
--INI--
zend.enable_gc = 1
--FILE--
<?php
class Node
{
/** @var Node */
public $previous;
/** @var Node */
public $next;
}
var_dump(gc_enabled());
var_dump('start');
$firstNode = new Node();
$firstNode->previous = $firstNode;
$firstNode->next = $firstNode;
$circularDoublyLinkedList = $firstNode;
for ($i = 0; $i < 200000; $i++) {
$currentNode = $circularDoublyLinkedList;
$nextNode = $circularDoublyLinkedList->next;
$newNode = new Node();
$newNode->previous = $currentNode;
$currentNode->next = $newNode;
$newNode->next = $nextNode;
$nextNode->previous = $newNode;
$circularDoublyLinkedList = $nextNode;
}
var_dump('end');
?>
--EXPECT--
bool(true)
string(5) "start"
string(3) "end"
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