[GHC] #10860: The test `setnumcapabilities001` sometimes fails on Phabricator

[GHC]

#10860: The test `setnumcapabilities001` sometimes fails on Phabricator
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        Reporter:  thomie            |                Owner:  simonmar
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.0.1
       Component:  Runtime System    |              Version:  7.10.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
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Changes (by thomie):

 * Attachment "setnumcapabilities-assert-failure-Scheduler.txt" added.


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10860>
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