Bug 419985 - crashtest.
Bug 428633 - crashtest.
Bug 429458 - crashtest.
Bug 429881 - crashtest.
Bug 429960 - crashtests.
Bug 430991 - crashtest.
Bug 472957 - crashtest.
Bug 559491 - crashtest.
Bug 563009 - crashtests.
Bug 622596 - crashtest.