Description:
------------
just look @ the code

Reproduce code:
---------------
<?php
class A {
    public $b;
    public function __construct() {
        $this->b = new B;
    }
}
class B {
    const text = "Hello World";
}
$a = new A;
var_dump($a);
var_dump($a->b);
var_dump($a->b::text);      // Error
var_dump(($a->b)::text);    // Error
$b = $a->b;
var_dump($b::text);         // Works
?>