[GHC] #7171: erroneous overlapping instances reported with FunDeps

[GHC]

#7171: erroneous overlapping instances reported with FunDeps
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  Reporter:  jwlato                          |          Owner:                       
      Type:  bug                             |         Status:  new                  
  Priority:  highest                         |      Milestone:  7.8.1                
 Component:  Compiler (Type checker)         |        Version:  7.6.1-rc1            
Resolution:                                  |       Keywords:  type classes, fundeps
        Os:  Unknown/Multiple                |   Architecture:  Unknown/Multiple     
   Failure:  GHC rejects valid program       |     Difficulty:  Unknown              
  Testcase:  typecheck/should_compile/T7171  |      Blockedby:                       
  Blocking:                                  |        Related:                       
---------------------------------------------+------------------------------
Changes (by simonpj):

  * priority:  normal => highest
  * status:  closed => new
  * resolution:  fixed =>
  * milestone:  => 7.8.1


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7171#comment:5>
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