Description:
------------
PHP produces a coredump on unix/linux systems or crashes on windows xp after trying to execute a method using call_user_func on a class that should have been loaded using autoload.

Reproduce code:
---------------
<?php //file OneClass.php
class OneClass
{
  function paint()
  {
    return 'Class one';
  }
}
?>

<?php //file mainFile.php
echo call_user_func(array('OneClass','paint'));
?>

Expected result:
----------------
returns string 'Class one'

Actual result:
--------------
produces coredump