Description:
------------
Using the script below causes PHP to crash with a segfault. I would expect PHP to catch a recursion like this and report an error through php_error or some such.

Reproduce code:
---------------
<?php

class A {
        function last_error()
        {
                return $this->last_error();
        }
}

$a = new A();
echo $a->last_error();
exit(0);
?>


Expected result:
----------------
I expect an error along the lines of:
brk() problem when calling function last_error(). Cannot increase stack space.

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