[GHC] #5299: ghc.exe: panic! (the 'impossible' happened)

[GHC]

#5299: ghc.exe: panic! (the 'impossible' happened)
---------------------------------+------------------------------------------
    Reporter:  guest             |        Owner:              
        Type:  bug               |       Status:  infoneeded  
    Priority:  normal            |    Milestone:  7.2.1       
   Component:  Compiler          |      Version:  7.0.3       
    Keywords:                    |     Testcase:              
   Blockedby:                    |   Difficulty:              
          Os:  Unknown/Multiple  |     Blocking:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
---------------------------------+------------------------------------------
Changes (by igloo):

  * status:  new => infoneeded
  * milestone:  => 7.2.1


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5299#comment:3>
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