Description:
------------
php > class A { private $a; public function __construct() { $this->a = new 
AMQPConnection(); } }
php > $a = new A;
php > var_dump($a);
Segmentation fault (core dumped)

Test script:
---------------
class A 
{ 
    private $a;

    public function __construct() 
    { 
        $this->a = new AMQPConnection(); 
    } 
}

$a = new A;
var_dump($a);

Expected result:
----------------
AMQPConnection dump

Actual result:
--------------
Segmentation fault