[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:  6.10 branch   
Component:  Compiler                  |        Version:  6.8.2         
 Severity:  minor                     |     Resolution:                
 Keywords:  optimizer unbox box       |     Difficulty:  Unknown       
 Testcase:                            |   Architecture:  x86_64 (amd64)
       Os:  Linux                     |  
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Changes (by simonmar):

  * type:  bug => run-time performance bug

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2387#comment:4>
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