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--TEST--
GH-16514: Nested generator in zend_test observer
--EXTENSIONS--
zend_test
--INI--
zend_test.observer.enabled=1
zend_test.observer.show_output=1
zend_test.observer.show_init_backtrace=1
--FILE--
<?php
class Foo {
public function __destruct() {
debug_print_backtrace();
}
}
function bar() {
yield from foo();
}
function foo() {
$foo = new Foo();
yield;
}
$gen = bar();
foreach ($gen as $dummy);
?>
--EXPECTF--
<!-- init '%sgh16514.php' -->
<!--
{main} %sgh16514.php
-->
<!-- init bar() -->
<!--
bar()
{main} %sgh16514.php
-->
<!-- init foo() -->
<!--
foo()
bar()
{main} %sgh16514.php
-->
<!-- init Foo::__destruct() -->
<!--
Foo::__destruct()
bar()
{main} %sgh16514.php
-->
<!-- init debug_print_backtrace() -->
<!--
debug_print_backtrace()
Foo::__destruct()
bar()
{main} %sgh16514.php
-->
#0 %s(%d): Foo->__destruct()
#1 %s(%d): bar()
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