[GHC] #7128: Panic "lookupVarEnv_NF" when using a functional dependency with a kind variable

[GHC]

#7128: Panic "lookupVarEnv_NF" when using a functional dependency with a kind
variable
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    Reporter:  goldfire                          |       Owner:                    
        Type:  bug                               |      Status:  merge             
    Priority:  normal                            |   Milestone:                    
   Component:  Compiler                          |     Version:  7.5               
    Keywords:  PolyKinds FunctionalDependencies  |          Os:  Unknown/Multiple  
Architecture:  Unknown/Multiple                  |     Failure:  Compile-time crash
  Difficulty:  Unknown                           |    Testcase:  polykinds/T7128   
   Blockedby:                                    |    Blocking:                    
     Related:                                    |  
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Changes (by simonpj):

  * status:  new => merge
  * difficulty:  => Unknown
  * testcase:  => polykinds/T7128


Comment:

 Good bug report.  Yes it should work, and now it does.

 Please merge this to 7.6

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7128#comment:2>
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