[GHC] #3714: Improve error message if an associated family declaration has excess parameters

[GHC]

#3714: Improve error message if an associated family declaration has excess
parameters
---------------------------------+------------------------------------------
    Reporter:  simonpj           |        Owner:  chak        
        Type:  bug               |       Status:  new         
    Priority:  normal            |    Milestone:  6.14.1      
   Component:  Compiler          |      Version:  6.10.4      
    Keywords:                    |     Testcase:              
   Blockedby:  4232              |   Difficulty:              
          Os:  Unknown/Multiple  |     Blocking:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
---------------------------------+------------------------------------------
Changes (by igloo):

  * blockedby:  => 4232


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3714#comment:7>
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