diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/Form/Exception/CircularReferenceException.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/Form/Exception/CircularReferenceException.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,22 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Form\Exception;
+
+use Symfony\Component\Form\FormTypeInterface;
+
+class CircularReferenceException extends FormException
+{
+    public function __construct(FormTypeInterface $type, $code = 0, $previous = null)
+    {
+        parent::__construct(sprintf('Circular reference detected in the "%s" type (defined in class "%s").', $type->getName(), get_class($type)), $code, $previous);
+    }
+}