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

[GHC]

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

 * cc: dwincort@… (added)
  * owner:  => ross


Comment:

 Ross, might you investigate?

 Arises from #5267

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5605#comment:1>
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