Description:
------------
The following code produces a memory leak :

/usr/src/php-5.0.3RC1/Zend/zend_execute.c(3255) :  Freeing 0x0816FB6C (16 bytes), script=/www/test3.php
=== Total 1 memory leaks detected ===

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

class DbGow {

	public function query() {
		throw new Exception;
	}
	
	public function select() {
		return new DbGowRecordSet($this->query());
	}

}

class DbGowRecordSet {

	public function __construct($resource) {

	}

}


$db = new DbGow;

try {
	$rs = $db->select();
}
catch(Exception $e) {
}
	
?>