Description:
------------
Bug in get_called_class()

Test script:
---------------
class a
{
  function __construct()
  {
    $a = get_class($this);
    a::test();
  }

  function test()
  {
    var_dump(get_called_class());
  }
}

class b extends a
{
}

$a = new a();
$b = new b();

Expected result:
----------------
string(1) "a" string(1) "a" 

Actual result:
--------------
string(1) "a" string(1) "b"