[GHC] #3638: Redundant signature required with RULES and GADTs

[GHC]

#3638: Redundant signature required with RULES and GADTs
--------------------------------------+-------------------------------------
  Reporter:  rl                       |          Owner:                  
      Type:  bug                      |         Status:  new             
  Priority:  normal                   |      Milestone:  6.14.1          
 Component:  Compiler (Type checker)  |        Version:  6.13            
Resolution:                           |       Keywords:                  
Difficulty:  Unknown                  |             Os:  Unknown/Multiple
  Testcase:                           |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown             |  
--------------------------------------+-------------------------------------
Changes (by igloo):

  * failure:  => None/Unknown
  * milestone:  => 6.14.1

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3638#comment:2>
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