1--TEST-- 2GH-15851: Access on NULL when printing backtrace during cleanup of nested generator frame 3--FILE-- 4<?php 5 6class Foo { 7 public function __destruct() { 8 debug_print_backtrace(); 9 } 10} 11 12function bar() { 13 yield from foo(); 14} 15 16function foo() { 17 $foo = new Foo(); 18 yield; 19} 20 21$gen = bar(); 22foreach ($gen as $dummy); 23 24?> 25--EXPECTF-- 26#0 %s(%d): Foo->__destruct() 27#1 %s(%d): bar() 28
