[GHC] #12432: TypeInType: open type family application as type family return kind fails to compile

[GHC]

#12432: TypeInType: open type family application as type family return kind fails
to compile
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        Reporter:  j6carey           |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.0.1
  checker)                           |
      Resolution:  duplicate         |             Keywords:
Operating System:  Linux             |         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 j6carey):

 * Attachment "Test4.hs" added.

 An application of an associated type family with the kind problem
 mentioned.  Also includes a workaround.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12432>
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