[GHC] #8307: iOS patch: fix hangs in threaded runtime

[GHC]

#8307: iOS patch: fix hangs in threaded runtime
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        Reporter:  lukexi      |            Owner:
            Type:  bug         |           Status:  patch
        Priority:  normal      |        Milestone:  7.8.1
       Component:              |          Version:  7.7
  libraries/base               |         Keywords:
      Resolution:              |     Architecture:  arm
Operating System:  Other       |       Difficulty:  Easy (less than 1 hour)
 Type of failure:  Runtime     |       Blocked By:
  crash                        |  Related Tickets:
       Test Case:              |
        Blocking:              |
-------------------------------+-------------------------------------------
Changes (by thoughtpolice):

 * status:  new => patch


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8307#comment:1>
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