[GHC] #5777: core lint error with arrow notation and GADTs

[GHC]

#5777: core lint error with arrow notation and GADTs
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        Reporter:  benmos            |                Owner:  ross
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  7.4.2
  checker)                           |             Keywords:  arrows,
      Resolution:                    |  GADTs, Arrows
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash                              |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #13547, #15175    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by RyanGlScott):

 * related:  #13547 => #13547, #15175


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5777#comment:18>
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