Description:
------------
The code below produces:
Fatal error: Couldn't execute method demo::__set in Unknown on line 0
and also a windows message box.

Reproduce code:
---------------
<?php
	
	class base
	{
		function __get($key)
		{
			throw new Exception();
		}
		function __set($key, $val)
		{
		}
	}
	
	class demo extends base
	{
		function demo()
		{
		}
		function play()
		{
			$this->a++;
		}
	}
	
	$obj = new demo();
	$obj->play();
	
?>

Expected result:
----------------
It should set the property a to 1 in the demo class

Actual result:
--------------
The code below produces:
Fatal error: Couldn't execute method demo::__set in Unknown on line 0
and also a windows message box.