[GHC] #11357: Regression when deriving Generic1 on poly-kinded data family

[GHC]

#11357: Regression when deriving Generic1 on poly-kinded data family
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        Reporter:  RyanGlScott       |                Owner:
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  8.1
  (CodeGen)                          |             Keywords:  Generics,
      Resolution:                    |  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by RyanGlScott):

 * milestone:   => 8.0.1


Comment:

 I'm going to set the milestone to 8.0.1, since this affects the upcoming
 GHC 8.0 and it breaks a fair bit of `Generics`-related code in the wild.
 Please change the milestone if you disagree.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11357#comment:1>
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