[GHC] #7939: RHS of associated type not kind-checked

[GHC]

#7939: RHS of associated type not kind-checked
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Reporter:  goldfire                     |          Owner:  goldfire        
    Type:  bug                          |         Status:  new             
Priority:  normal                       |      Component:  Compiler        
 Version:  7.7                          |       Keywords:                  
      Os:  Unknown/Multiple             |   Architecture:  Unknown/Multiple
 Failure:  GHC accepts invalid program  |      Blockedby:                  
Blocking:                               |        Related:                  
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Comment(by goldfire):

 This problem is a little worse than I thought. With just

 {{{
 class Foo a where
   type Bar a
 }}}

 (with {{{-XPolyKinds}}}), I get an assertion failure in GHCi on {{{:k
 Bar}}}.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7939#comment:1>
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