Description:
------------
An assignment (of a class variable?) in a switch statement causes an apache crash.  The first object instantiation int eh attached sample ($testval == 1) succeeds; the second one ($testval == 2) fails.


Reproduce code:
---------------
<?php
class TestClass
{
    var $type;
    
    function TestClass($testval)
    {
        $type = intval("2");

        if ($testval == 1)
        {
            switch($type)
            {
            default:
                echo "Test 1 worked<br>";
                flush();
                break;
            }
        }
        else if ($testval == 2)
        {
            switch($this->type = $type)    /* This line causes crash */
            {
            default:
                echo "Test 2 worked<br>";
                flush();
                break;
            }
        }

    }
}

$tc = new TestClass(1);
$tc = new TestClass(2);
?>


Actual result:
--------------
In apache/error.log:
  [notice] child pid XXXXX exit signal Segmentation fault (11)