[GHC] #2387: Optimizer misses unboxing opportunity

[GHC]

#2387: Optimizer misses unboxing opportunity
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    Reporter:  dolio                     |        Owner:             
        Type:  run-time performance bug  |       Status:  new        
    Priority:  normal                    |    Milestone:  6.12 branch
   Component:  Compiler                  |      Version:  6.8.2      
    Severity:  minor                     |   Resolution:             
    Keywords:  optimizer unbox box       |   Difficulty:  Unknown    
    Testcase:                            |           Os:  Linux      
Architecture:  x86_64 (amd64)            |  
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Changes (by igloo):

  * milestone:  6.10 branch => 6.12 branch

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2387#comment:5>
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