[GHC] #2247: GHC accepts FD violations, unless the conflicing instances are used

[GHC]

#2247: GHC accepts FD violations, unless the conflicing instances are used
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  Reporter:  claus                    |          Owner:                  
      Type:  bug                      |         Status:  new             
  Priority:  normal                   |      Milestone:  _|_             
 Component:  Compiler (Type checker)  |        Version:  6.9             
Resolution:                           |       Keywords:  TF vs FD        
        Os:  Unknown/Multiple         |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown             |     Difficulty:  Unknown         
  Testcase:                           |      Blockedby:                  
  Blocking:                           |        Related:                  
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Changes (by monoidal):

  * failure:  => None/Unknown


Comment:

 After Iavor's commit the code is rightfully rejected. Close as fixed?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2247#comment:8>
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