[GHC] #11508: QuickCheck application hangs with concurrent read/write of Chan

[GHC]

#11508: QuickCheck application hangs with concurrent read/write of Chan
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        Reporter:  orion             |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  FreeBSD           |         Architecture:  x86_64
                                     |  (amd64)
 Type of failure:  None/Unknown      |            Test Case:
                                     |  https://github.com/centromere/ghc-
                                     |  bug-testcase
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by orion):

 * Attachment "truss_output.txt" added.

 Truss output from bad application

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11508>
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