[GHC] #3950: panic: Unify.uTys_s: mismatched type lists!

[GHC]

#3950: panic: Unify.uTys_s: mismatched type lists!
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    Reporter:  ganesh                   |        Owner:  igloo                      
        Type:  bug                      |       Status:  merge                      
    Priority:  normal                   |    Milestone:                             
   Component:  Compiler (Type checker)  |      Version:  6.8.3                      
    Keywords:                           |   Difficulty:                             
          Os:  Unknown/Multiple         |     Testcase:  typecheck/should_fail/T3950
Architecture:  Unknown/Multiple         |      Failure:  Compile-time crash         
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Changes (by igloo):

  * status:  new => merge
  * type:  merge => bug


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3950#comment:3>
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