[GHC] #7916: PolyKinds without type signatures

[GHC]

#7916: PolyKinds without type signatures
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    Reporter:  monoidal                 |       Owner:                           
        Type:  bug                      |      Status:  new                      
    Priority:  normal                   |   Milestone:                           
   Component:  Compiler (Type checker)  |     Version:  7.7                      
    Keywords:                           |          Os:  Unknown/Multiple         
Architecture:  Unknown/Multiple         |     Failure:  GHC rejects valid program
  Difficulty:  Unknown                  |    Testcase:                           
   Blockedby:                           |    Blocking:                           
     Related:                           |  
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Changes (by simonpj):

  * difficulty:  => Unknown


Comment:

 Crumbs.  Absolutely right.  Your example identifies a real bug in the
 quantification over kinds.  I've spent part of today fixing it, happily by
 simplifying the type inference engine!  Patch coming, but not till Monday.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7916#comment:1>
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