[GHC] #2715: Equality constraint in superclass not supported

[GHC]

#2715: Equality constraint in superclass not supported
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    Reporter:  rodprice                 |        Owner:  chak        
        Type:  task                     |       Status:  new         
    Priority:  low                      |    Milestone:  7.2.1       
   Component:  Compiler (Type checker)  |      Version:  6.10.1      
    Keywords:                           |     Testcase:              
   Blockedby:                           |   Difficulty:  Unknown     
          Os:  Linux                    |     Blocking:              
Architecture:  x86                      |      Failure:  None/Unknown
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Changes (by mikhail.vorozhtsov):

 * cc: mikhail.vorozhtsov@… (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2715#comment:16>
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