[GHC] #13830: '+RTS -s' gives incorrect value for work balance in some cases

[GHC]

#13830: '+RTS -s' gives incorrect value for work balance in some cases
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        Reporter:  duog              |                Owner:  duog
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Runtime System    |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Debugging         |  Unknown/Multiple
  information is incorrect           |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:3658
       Wiki Page:                    |
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Changes (by duog):

 * status:  new => patch
 * differential:   => Phab:3658


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13830#comment:3>
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