[GHC] #9144: Incorrect error reported with poly-kinded type families

[GHC]

#9144: Incorrect error reported with poly-kinded type families
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        Reporter:  goldfire          |            Owner:
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.8.2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by simonpj):

 Happily, I believe that this works on the 7.8 branch, and HEAD, and hence
 is already fixed.  I don't know what the fix was!  Still pending: add the
 test case to HEAD

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9144#comment:2>
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