[GHC] #8345: A more efficient atomicModifyIORef'

[GHC]

#8345: A more efficient atomicModifyIORef'
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              Reporter:  parcs       |            Owner:
                  Type:  bug         |           Status:  closed
              Priority:  normal      |        Milestone:  7.10.1
             Component:  Core        |          Version:  7.6.1
  Libraries                          |         Keywords:  IORef
            Resolution:  fixed       |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Moderate (less
  Unknown/Multiple                   |  than a day)
       Type of failure:  Runtime     |       Blocked By:
  performance bug                    |  Related Tickets:  #5926
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Changes (by hvr):

 * cc: core-libraries-committee@… (added)
 * status:  patch => closed
 * version:  7.6.3 => 7.6.1
 * resolution:   => fixed


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8345#comment:19>
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