1--TEST--
2Bug #55705 (Omitting a callable typehinted argument causes a segfault)
3--FILE--
4<?php
5function f(callable $c) {}
6f();
7?>
8--EXPECTF--
9Catchable fatal error: Argument 1 passed to f() must be callable, none given, called in %s on line 3 and defined in %s on line %d
10
