[GHC] #7104: Add tryWriteTBQueue to Control.Concurrent.STM.TBQueue

[GHC]

#7104: Add tryWriteTBQueue to Control.Concurrent.STM.TBQueue
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        Reporter:  joeyadams         |                Owner:  simonmar
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Core Libraries    |              Version:  7.4.2
      Resolution:                    |             Keywords:  stm
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by bgamari):

 * status:  new => patch


Comment:

 We should probably act on these one way or another.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7104#comment:10>
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