[GHC] #8235: Race condition in IO manager

[GHC]

#8235: Race condition in IO manager
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        Reporter:  parcs             |            Owner:
            Type:  bug               |           Status:  patch
        Priority:  normal            |        Milestone:
       Component:  libraries/base    |          Version:  7.7
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  Runtime crash     |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:  910               |  Related Tickets:
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Comment (by AndreasVoellmy):

 I don't see the bug occurring anymore (after about 10 minutes of running),
 so I'll merge this patch if everything validates cleanly.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8235#comment:10>
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