[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:  low                         |    Milestone:  7.2.1                  
   Component:  Compiler                    |      Version:  6.8.2                  
    Keywords:  boxing, loops, performance  |     Testcase:                         
   Blockedby:                              |   Difficulty:  Unknown                
          Os:  Unknown/Multiple            |     Blocking:                         
Architecture:  Unknown/Multiple            |      Failure:  Runtime performance bug
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Changes (by michalt):

 * cc: michal.terepeta@… (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2289#comment:23>
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