[GHC] #12369: data families shouldn't be required to have return kind *, data instances should

[GHC]

#12369: data families shouldn't be required to have return kind *, data instances
should
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        Reporter:  ekmett            |                Owner:
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler (Type    |              Version:  8.0.1
  checker)                           |
      Resolution:                    |             Keywords:  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by simonpj):

 * keywords:   => TypeInType


Comment:

 The stuff about representation-polymorphism is a bit of a red herring;
 make a new ticket.

 Let's not lose track of the original request here, which is well described
 in the Description.

 Richard: it might need no more than ''removing'' a test, namely the test
 that data families return *?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12369#comment:8>
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