[GHC] #8653: panic the impossible happened

[GHC]

#8653: panic the impossible happened
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        Reporter:  guest         |            Owner:
            Type:  bug           |           Status:  new
        Priority:  normal        |        Milestone:
       Component:  Compiler      |          Version:  7.6.3
      Resolution:                |         Keywords:
Operating System:  Windows       |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown  |       Difficulty:  Unknown
       Test Case:                |       Blocked By:
        Blocking:                |  Related Tickets:
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Changes (by guest):

 * os:  Unknown/Multiple => Windows


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8653#comment:1>
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