Add new test

tests/classes/type_hinting_002.phpt

@@ -0,0 +1,17 @@
+--TEST--
+ZE2 class type hinting non existing class
+--SKIPIF--
+<?php if (version_compare(zend_version(), '2.0.0-dev', '<')) die('skip ZendEngine 2 needed'); ?>
+--FILE--
+<?php
+
+class Foo {
+	function a(NonExisting $foo) {}
+}
+
+$o = new Foo;
+$o->a($o);
+?>
+--EXPECTF--
+
+Fatal error: Class 'NonExisting' not found in %stype_hinting_002.php on line %d