[GHC] #4351: internal error: awaitEvent: descriptor out of range

[GHC]

#4351: internal error: awaitEvent: descriptor out of range
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    Reporter:  guest     |        Owner:               
        Type:  bug       |       Status:  new          
    Priority:  normal    |    Milestone:               
   Component:  Compiler  |      Version:  7.1          
    Keywords:            |     Testcase:               
   Blockedby:            |   Difficulty:               
          Os:  Linux     |     Blocking:               
Architecture:  x86       |      Failure:  Runtime crash
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Comment(by simonmar):

 Simon: yes, true, I'll make it check for that case and emit a better error
 message.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4351#comment:3>
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