[GHC] #3698: Bad code generated for zip/filter/filter loop

[GHC]

#3698: Bad code generated for zip/filter/filter loop
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    Reporter:  rl                |        Owner:                         
        Type:  bug               |       Status:  new                    
    Priority:  normal            |    Milestone:  6.14 branch            
   Component:  Compiler          |      Version:  6.13                   
    Keywords:                    |   Difficulty:                         
          Os:  Unknown/Multiple  |     Testcase:                         
Architecture:  Unknown/Multiple  |      Failure:  Runtime performance bug
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Changes (by igloo):

  * milestone:  => 6.14 branch


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3698#comment:3>
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