[GHC] #7662: Improve GC of mutable objects

[GHC]

#7662: Improve GC of mutable objects
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    Reporter:  ezyang            |       Owner:                  
        Type:  feature request   |      Status:  new             
    Priority:  normal            |   Milestone:  _|_             
   Component:  Runtime System    |     Version:  7.7             
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Changes (by nicolast):

 * cc: ikke+ghc@… (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7662#comment:5>
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