Description:
------------
See the code below.

Reproduce code:
---------------
<?php

class foo {
	public function test() {
		call_user_func(array('FOO', 'ABC'));
		call_user_func(array($this, 'ABC'));
		call_user_func('FOO::ABC');
	}
	function __call($a, $b) {
		print "__call:\n";
		var_dump($a);
	}
	static public function __callStatic($a, $b) {
		print "__callstatic:\n";
		var_dump($a);
	}
}

$x = new foo;

$x->test();


Expected result:
----------------
__call:
string(3) "ABC"
__call:
string(3) "ABC"
__call:
string(3) "ABC"

Actual result:
--------------
__call:
string(3) "ABC"
__call:
string(3) "ABC"

Fatal error: Non-static method foo::ABC() cannot be called statically in ...