[GHC] #9222: Unexpected DataKind Panic

[GHC]

#9222: Unexpected DataKind Panic
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        Reporter:  ekmett                   |            Owner:
            Type:  bug                      |           Status:  merge
        Priority:  normal                   |        Milestone:  7.8.4
       Component:  Compiler (Type checker)  |          Version:  7.8.2
      Resolution:                           |         Keywords:
Operating System:  Unknown/Multiple         |     Architecture:
 Type of failure:  None/Unknown             |  Unknown/Multiple
       Test Case:  polykinds/T9222          |       Difficulty:  Unknown
        Blocking:                           |       Blocked By:
                                            |  Related Tickets:
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"127c45ea30eaee6b5244b3f30aaa701d0ad327ac/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="127c45ea30eaee6b5244b3f30aaa701d0ad327ac"
 Test Trac #9222
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9222#comment:4>
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