[GHC] #12873: hWaitForInput with socket as handle excepts on windows

[GHC]

#12873: hWaitForInput with socket as handle excepts on windows
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        Reporter:  bwurk          |                Owner:
            Type:  bug            |               Status:  new
        Priority:  normal         |            Milestone:
       Component:  Compiler       |              Version:  8.0.1
      Resolution:                 |             Keywords:
Operating System:  Windows        |         Architecture:  x86_64 (amd64)
 Type of failure:  Runtime crash  |            Test Case:
      Blocked By:                 |             Blocking:
 Related Tickets:  #7353          |  Differential Rev(s):
       Wiki Page:                 |
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Comment (by bwurk):

 Unfortunately, that would mean downgrading infrastructure and packages, so
 I'm curious to the changes which introduce this bug. As far as I can tell,
 there are no relevant changes in cbits/inputReady.c from 7.6.3 to recent
 versions of GHC which could have caused this.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12873#comment:3>
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