[GHC] #5603: Impossible case alternative

[GHC]

#5603: Impossible case alternative
---------------------------------+------------------------------------------
    Reporter:  igloo             |        Owner:              
        Type:  bug               |       Status:  new         
    Priority:  highest           |    Milestone:  7.4.1       
   Component:  Compiler          |      Version:  7.3         
    Keywords:                    |     Testcase:  T5603       
   Blockedby:                    |   Difficulty:              
          Os:  Unknown/Multiple  |     Blocking:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
---------------------------------+------------------------------------------
Changes (by igloo):

  * testcase:  => T5603


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5603#comment:1>
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