[GHC] #5591: Type constructor variables not injective

[GHC]

#5591: Type constructor variables not injective
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    Reporter:  daniel.is.fischer        |       Owner:  simonpj         
        Type:  bug                      |      Status:  new             
    Priority:  normal                   |   Milestone:  7.6.1           
   Component:  Compiler (Type checker)  |     Version:  7.2.1           
    Keywords:                           |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple         |     Failure:  None/Unknown    
  Difficulty:  Unknown                  |    Testcase:                  
   Blockedby:                           |    Blocking:                  
     Related:                           |  
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Changes (by adamgundry):

 * cc: adam.gundry@… (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5591#comment:6>
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