1--TEST-- 2GC 033: Crash in GC while run with phpspec 3--INI-- 4zend.enable_gc = 1 5--FILE-- 6<?php 7$a = new stdClass(); 8$a->a = array(); 9$a->a[0] = new Stdclass(); 10$a->a[0]->a = $a; 11$a->a[1] = &$a->a; 12 13/* remove the self-reference array out of roots */ 14gc_collect_cycles(); 15 16/* do unset */ 17unset($a); 18 19/* let's full the gc roots */ 20for ($i=0; $i<9999; $i++) { 21 $b = range(0, 1); 22 $b[0] = &$b; 23 unset($b); 24} 25 26/* then $a will be freed, but $a->a[0] is not. reference to a freed $a */ 27var_dump(gc_collect_cycles()); 28?> 29--EXPECT-- 30int(20001) 31