[GHC] #8069: Small typo yields GHC panic

[GHC]

#8069: Small typo yields GHC panic
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       Reporter:  dsamperi          |             Owner:
           Type:  bug               |            Status:  new
       Priority:  normal            |         Milestone:
      Component:  Compiler          |           Version:  7.4.1
       Keywords:                    |  Operating System:  Unknown/Multiple
   Architecture:  Unknown/Multiple  |   Type of failure:  None/Unknown
     Difficulty:  Unknown           |         Test Case:
     Blocked By:                    |          Blocking:
Related Tickets:                    |
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 The following line contains a small typo (show instead of Show), and
 the result is a GHC panic under GHC 3.4.1:

 newtype MyInt = MyInt Int deriving(show)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8069>
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