[GHC] #8484: Compile-time panic

[GHC]

#8484: Compile-time panic
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        Reporter:  Taymon            |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.6.3
      Resolution:                    |                Keywords:
Operating System:  Linux             |            Architecture:  x86_64
 Type of failure:  Compile-time      |  (amd64)
  crash                              |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by bgamari):

 Ideally the package cache format would include a version number so we can
 fail more gracefully (if it doesn't already).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8484#comment:4>
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