[GHC] #2289: Needless reboxing of values when returning from a tight loop

[GHC]

#2289: Needless reboxing of values when returning from a tight loop
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    Reporter:  dons                        |       Owner:                         
        Type:  bug                         |      Status:  new                    
    Priority:  lowest                      |   Milestone:  7.6.2                  
   Component:  Compiler                    |     Version:  6.8.2                  
    Keywords:  boxing, loops, performance  |          Os:  Unknown/Multiple       
Architecture:  Unknown/Multiple            |     Failure:  Runtime performance bug
  Difficulty:  Unknown                     |    Testcase:                         
   Blockedby:                              |    Blocking:                         
     Related:  #2387,#1600                 |  
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Changes (by liyang):

 * cc: hackage.haskell.org@… (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2289#comment:32>
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