[GHC] #5927: A type-level "implies" constraint on Constraints

[GHC]

#5927: A type-level "implies" constraint on Constraints
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    Reporter:  illissius                |       Owner:                  
        Type:  feature request          |      Status:  new             
    Priority:  normal                   |   Milestone:  7.6.2           
   Component:  Compiler (Type checker)  |     Version:  7.4.1           
    Keywords:                           |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple         |     Failure:  None/Unknown    
  Difficulty:  Unknown                  |    Testcase:                  
   Blockedby:                           |    Blocking:                  
     Related:                           |  
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Changes (by duairc):

 * cc: shane@… (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5927#comment:8>
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