1--TEST-- 2Bug #77345 (Segmentation faults stack overflow in cyclic garbage collector) (Bug #77427) 3--INI-- 4zend.enable_gc = 1 5--FILE-- 6<?php 7 8class Node 9{ 10 /** @var Node */ 11 public $previous; 12 /** @var Node */ 13 public $next; 14} 15 16var_dump(gc_enabled()); 17var_dump('start'); 18 19$firstNode = new Node(); 20$firstNode->previous = $firstNode; 21$firstNode->next = $firstNode; 22 23$circularDoublyLinkedList = $firstNode; 24 25for ($i = 0; $i < 200000; $i++) { 26 $currentNode = $circularDoublyLinkedList; 27 $nextNode = $circularDoublyLinkedList->next; 28 29 $newNode = new Node(); 30 31 $newNode->previous = $currentNode; 32 $currentNode->next = $newNode; 33 $newNode->next = $nextNode; 34 $nextNode->previous = $newNode; 35 36 $circularDoublyLinkedList = $nextNode; 37} 38var_dump('end'); 39?> 40--EXPECT-- 41bool(true) 42string(5) "start" 43string(3) "end" 44
