[GHC] #14802: panic! (the 'impossible' happened)

[GHC]

#14802: panic! (the 'impossible' happened)
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        Reporter:  Ebanflo           |                Owner:  (none)
            Type:  bug               |               Status:  infoneeded
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.2
  (Debugging)                        |
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by Ebanflo):

 * Attachment "ghciBug.2.hs" added.

 Attempted replication of what caused the error.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14802>
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