[GHC] #8745: GeneralizedNewtypeDeriving is still not Safe

[GHC]

#8745: GeneralizedNewtypeDeriving is still not Safe
-------------------------------------------------+-------------------------
        Reporter:  goldfire                      |            Owner:
            Type:  bug                           |           Status:  new
        Priority:  normal                        |        Milestone:
       Component:  Compiler                      |          Version:
      Resolution:                                |  7.8.1-rc1
Operating System:  Unknown/Multiple              |         Keywords:  Safe
 Type of failure:  None/Unknown                  |     Architecture:
       Test Case:                                |  Unknown/Multiple
  should_fail/TcCoercibleFailSafe                |       Difficulty:
        Blocking:                                |  Unknown
                                                 |       Blocked By:
                                                 |  Related Tickets:
-------------------------------------------------+-------------------------

Comment (by goldfire):

 Great. I've made #8773 to track that offshoot of this bug. I expect to do
 it and push tomorrow.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8745#comment:9>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler