[GHC] #8707: Kind inference fails in data instance definition

[GHC]

#8707: Kind inference fails in data instance definition
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        Reporter:  goldfire          |            Owner:  jstolarek
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.7
      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 goldfire):

 Replying to [comment:6 simonpj]:
 > Oh oh, so that message is not something can currently produce.  Fine.
 Then my question remains: what's wrong with the status quo, for question
 (2)?

 Nothing, upon further inspection. I believe I wrote that message toward
 the end of a 6-hour flight and may have been a little addled. I withdraw
 point (2).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8707#comment:9>
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