--TEST--
Bug GH-9735 004 (Fiber stack variables do not participate in cycle collector)
--FILE--
<?php

class C {
    public function __destruct() {
        echo __METHOD__, "\n";
    }
}

function f() {
    $fiber = Fiber::getCurrent();
    Fiber::suspend();
}

$fiber = new Fiber(function () {
    $c = new C();

    preg_replace_callback('#.#', f(...), '.');
});

print "1\n";

$fiber->start();
gc_collect_cycles();

print "2\n";

$fiber = null;
gc_collect_cycles();

print "3\n";

?>
--EXPECT--
1
2
C::__destruct
3