[GHC] #7286: GHC doesn't optimise away primitive identity conversions

[GHC]

#7286: GHC doesn't optimise away primitive identity conversions
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    Reporter:  rl                |       Owner:  igloo                       
        Type:  bug               |      Status:  new                         
    Priority:  normal            |   Milestone:                              
   Component:  Compiler          |     Version:  7.7                         
    Keywords:                    |          Os:  Unknown/Multiple            
Architecture:  Unknown/Multiple  |     Failure:  Compile-time performance bug
  Difficulty:  Unknown           |    Testcase:                              
   Blockedby:                    |    Blocking:                              
     Related:                    |  
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Changes (by simonpj):

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


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7286#comment:2>
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