[GHC] #8745: GeneralizedNewtypeDeriving is still not Safe

[GHC]

#8745: GeneralizedNewtypeDeriving is still not Safe
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        Reporter:  goldfire                      |            Owner:
            Type:  bug                           |           Status:
        Priority:  normal                        |  closed
       Component:  Compiler                      |        Milestone:  7.8.1
      Resolution:  fixed                         |          Version:
Operating System:  Unknown/Multiple              |  7.8.1-rc1
 Type of failure:  None/Unknown                  |         Keywords:  Safe
       Test Case:                                |     Architecture:
  should_fail/TcCoercibleFailSafe                |  Unknown/Multiple
        Blocking:                                |       Difficulty:
                                                 |  Unknown
                                                 |       Blocked By:
                                                 |  Related Tickets:
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"8f7303774237a8b0787d98c5ab6f605e3e897f19/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="8f7303774237a8b0787d98c5ab6f605e3e897f19"
 Revert "Fix #8745 - GND is now -XSafe compatible."

 See #8827 - for now, we're making GND unsafe again.

 This also fixes the tests since they were originally not using the new
 unicode quote style we're using.

 This reverts commit a8a01e742434df11b830ab99af12d9045dfcbc4b.
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8745#comment:26>
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