We could have deref'd on XPC_ERROR_CONNECTION_INTERRUPTED instead of XPC_ERROR_CONNECTION_INVALID. Explicitly deref only on XPC_ERROR_CONNECTION_INVALID.
Created attachment 225805 [details] [PATCH] Proposed Fix
Comment on attachment 225805 [details] [PATCH] Proposed Fix Clearing flags on attachment: 225805 Committed r165075: <http://trac.webkit.org/changeset/165075>
All reviewed patches have been landed. Closing bug.