Reading a cached Sensio\Bundle\FrameworkExtraBundle\Configuration\Route annotation fails with

Attempted to call an undefined method named "__set_state" of class "Sensio\Bundle\FrameworkExtraBundle\Configuration\Route"

since the annotation cache has been switched to a Doctrine\Common\Cache\PhpFileCache instance. This happened with commit ca69fa340c97e5ffc3287ca4e4c4574690dc2847 but may be a merge conflict.