php-src/Zend/tests/bug66609.phpt

--TEST--
Bug #66609 (php crashes with __get() and ++ operator in some cases)
--FILE--
<?php
$bar = new Bar;
$foo = new Foo;
class Bar {
	public function __get($x) {
		global $foo;
		return $foo->foo;
	}
}
class Foo {
	public function __get($x) {
		global $bar;
		return $bar->bar;
	}
}
$foo->blah += 1; //crash
++$foo->blah;    //crash
$foo->blah++;    //crash
$foo->blah--;    //crash
--$foo->blah;    //crash
echo "okey";
?>
--EXPECTF--
Notice: Undefined property: Bar::$bar in %sbug66609.php on line %d
okey