[GHC] #5475: Unthrown exceptions

[GHC]

#5475: Unthrown exceptions
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    Reporter:  daniel.is.fischer  |        Owner:  simonpj     
        Type:  bug                |       Status:  new         
    Priority:  high               |    Milestone:  7.4.1       
   Component:  Compiler           |      Version:  7.3         
    Keywords:                     |     Testcase:              
   Blockedby:                     |   Difficulty:              
          Os:  Unknown/Multiple   |     Blocking:              
Architecture:  Unknown/Multiple   |      Failure:  None/Unknown
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Comment(by igloo):

 (and expected `q: A` on stderr, and exit code 1)

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5475#comment:2>
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