Description:
------------
The following test code runs fine the first 29 (your mileage may vary) times the page is viewed. On the 30th time, CPU usage shoots to 100% briefly and Apache 2 crashes hard.

'30' is the magic number for my system, I imagine your mileage may vary if this is - as I suspect - some sort of memory corruption bug.

The problem appears to be with the exception handling mechanism, since I can comment all the code out, or attempt to refresh the page 50+ times with a class declaration / simple method call.

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

try {
	throw new Exception( 'Testing' );
}
catch( Exception $e ) {
	echo $e->getMessage();
}

?>

Expected result:
----------------
'Testing' should appear on screen.

Actual result:
--------------
For the first 29 times the page is viewed, 'Testing' appears. On the 30th time, Apache 2 crashes hard.