[GHC] #5605: T5267 (uses Arrows) core lint failure

[GHC]

#5605: T5267 (uses Arrows) core lint failure
---------------------------------+------------------------------------------
    Reporter:  igloo             |       Owner:  ross            
        Type:  bug               |      Status:  new             
    Priority:  high              |   Milestone:  7.4.1           
   Component:  Compiler          |     Version:  7.3             
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:                    |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Comment(by ross):

 Just to be clear: the real bug here is #5267.  This example should be
 rejected by the type checker (as it was in 6.12) and never reach the
 desugarer.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5605#comment:3>
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