[GHC] #13231: ghc: panic! (the 'impossible' happened)

[GHC]

#13231: ghc: panic! (the 'impossible' happened)
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        Reporter:  aufheben          |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      Resolution:  duplicate         |             Keywords:
Operating System:  MacOS X           |         Architecture:  x86_64
 Type of failure:  Compile-time      |  (amd64)
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #12479            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by aufheben):

 Thanks! Sorry that I accidentally reopened the issue after editing the
 bug.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13231#comment:4>
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