[GHC] #8758: GeneralizedNewtypeDeriving sometimes needs RankNTypes

[GHC]

#8758: GeneralizedNewtypeDeriving sometimes needs RankNTypes
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        Reporter:  goldfire                      |            Owner:
            Type:  bug                           |  goldfire
        Priority:  normal                        |           Status:
       Component:  Compiler (Type checker)       |  closed
      Resolution:  fixed                         |        Milestone:  7.8.1
Operating System:  Unknown/Multiple              |          Version:
 Type of failure:  None/Unknown                  |  7.8.1-rc1
       Test Case:                                |         Keywords:
  deriving/should_compile/T8758                  |     Architecture:
        Blocking:                                |  Unknown/Multiple
                                                 |       Difficulty:
                                                 |  Unknown
                                                 |       Blocked By:
                                                 |  Related Tickets:
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Changes (by thoughtpolice):

 * status:  merge => closed
 * resolution:   => fixed


Comment:

 Merged.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8758#comment:4>
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