Description:
------------
array_intersect_assoc() generates segmentation fault when any of its argument is given as non array. There is no warning message issued indicating that an array should be passed. 

This problem is noticed with the drivers after 18th Oct 2007.

Applicable to php5.2, php5.3 and php6.


Reproduce code:
---------------
<?php
$arr = array(1, 2, 3, 4);
$val = 1234;
var_dump( array_intersect_assoc($arr, $val) );
?>

Expected result:
----------------
Warning: array_intersect(): Argument #2 is not an array in %s on line %d
NULL

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