1--TEST--
2Out of Memory from recursive fiber creation
3--INI--
4memory_limit=2M
5--SKIPIF--
6<?php
7if (getenv("USE_ZEND_ALLOC") === "0") {
8    die("skip Zend MM disabled");
9}
10?>
11--FILE--
12<?php
13
14function create_fiber(): Fiber
15{
16    $fiber = new Fiber('create_fiber');
17    $fiber->start();
18    return $fiber;
19}
20
21$fiber = new Fiber('create_fiber');
22$fiber->start();
23
24?>
25--EXPECTF--
26Fatal error: Allowed memory size of %d bytes exhausted%s(tried to allocate %d bytes) in %sout-of-memory-in-recursive-fiber.php on line %d
27