[GHC] #9563: Support for deriving Generic1 for data families

[GHC]

#9563: Support for deriving Generic1 for data families
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              Reporter:  mnislaih    |            Owner:  dreixel
                  Type:  bug         |           Status:  merge
              Priority:  high        |        Milestone:  7.8.4
             Component:  Compiler    |          Version:  7.8.2
            Resolution:              |         Keywords:
      Operating System:  MacOS X     |     Architecture:  Unknown/Multiple
       Type of failure:  GHC         |       Difficulty:  Unknown
  rejects valid program              |       Blocked By:
             Test Case:              |  Related Tickets:
  generics/T9563                     |
              Blocking:              |
Differential Revisions:              |
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Comment (by dreixel):

 Thanks. Merging into 7.8.4 would be good, if possible.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9563#comment:5>
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