[GHC] #6093: Kind polymorphism fails with recursive type definition using different kind

[GHC]

#6093: Kind polymorphism fails with recursive type definition using different kind
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    Reporter:  Ashley Yakeley           |       Owner:                           
        Type:  bug                      |      Status:  new                      
    Priority:  normal                   |   Milestone:                           
   Component:  Compiler (Type checker)  |     Version:  7.4.1                    
    Keywords:                           |          Os:  Unknown/Multiple         
Architecture:  Unknown/Multiple         |     Failure:  GHC rejects valid program
  Difficulty:  Unknown                  |    Testcase:                           
   Blockedby:                           |    Blocking:                           
     Related:                           |  
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Comment(by simonpj):

 Yes I think Richard (= goldfire) is right.  #6049 is on my list but it's a
 bit messy, so I won't get to it till after the Haskell Symposium deadline.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6093#comment:8>
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