Description:
------------
When a construct is not declared on a inherited class and it's declared on base 
class as protected, an instantiation of the derived class inside another class, 
causes a fatal accessibility error.

Test script:
---------------
abstract class A {
       protected function __construct() {
               echo "A constructor\n";
       }
}

class B extends A {
       /* NO __construct() declared */

       public function foo() {
               echo "foo method";
       }
}

class C {
       public $B;

       function __construct() {
               $this->B = new B(); // Produces an error because B has no construct declared.
       }
}

$c = new C();

Expected result:
----------------
This behavior is not documented.

Actual result:
--------------
Error: document.php line 18 - Call to protected A::__construct() from context 'C'.