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48 lines
939 B
PHP
48 lines
939 B
PHP
--TEST--
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Bug #77345 (Segmentation faults stack overflow in cyclic garbage collector) (Bug #77427)
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--INI--
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zend.enable_gc = 1
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--FILE--
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<?php
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class Node
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{
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/** @var Node */
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public $previous;
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/** @var Node */
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public $next;
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}
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var_dump(gc_enabled());
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var_dump('start');
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function xxx() {
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$firstNode = new Node();
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$firstNode->previous = $firstNode;
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$firstNode->next = $firstNode;
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$circularDoublyLinkedList = $firstNode;
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for ($i = 0; $i < 300000; $i++) {
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$currentNode = $circularDoublyLinkedList;
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$nextNode = $circularDoublyLinkedList->next;
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$newNode = new Node();
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$newNode->previous = $currentNode;
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$currentNode->next = $newNode;
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$newNode->next = $nextNode;
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$nextNode->previous = $newNode;
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$circularDoublyLinkedList = $nextNode;
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}
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}
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xxx();
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gc_collect_cycles();
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var_dump('end');
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--EXPECT--
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bool(true)
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string(5) "start"
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string(3) "end" |