[GHC] #7270: Incorrect optimization with Data.ByteString.append

[GHC]

#7270: Incorrect optimization with Data.ByteString.append
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    Reporter:  ocheron            |       Owner:  igloo                      
        Type:  bug                |      Status:  new                        
    Priority:  normal             |   Milestone:                             
   Component:  libraries (other)  |     Version:  7.6.1                      
    Keywords:                     |          Os:  Unknown/Multiple           
Architecture:  Unknown/Multiple   |     Failure:  Incorrect result at runtime
  Difficulty:  Unknown            |    Testcase:                             
   Blockedby:                     |    Blocking:                             
     Related:                     |  
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Changes (by igloo):

  * owner:  => igloo
  * difficulty:  => Unknown


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7270#comment:2>
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