[GHC] #8089: Implementation of GHC.Event.Poll.poll is broken due to bad coercion

[GHC]

#8089: Implementation of GHC.Event.Poll.poll is broken due to bad coercion
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              Reporter:  merijn      |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:              |          Version:  7.6.3
  libraries/base                     |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Easy (less than 1
  Unknown/Multiple                   |  hour)
       Type of failure:  Runtime     |       Blocked By:
  crash                              |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Changes (by merijn):

 * cc: hvr, ekmett (added)
 * keywords:  patch =>
 * status:  closed => new
 * resolution:  fixed =>
 * owner:  thoughtpolice =>


Comment:

 My "fixed" fix was still wrong, proper fix incoming on Phabricator

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8089#comment:8>
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