[GHC] #3700: Being instance of Monoid is not checked

[GHC]

#3700: Being instance of Monoid is not checked
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    Reporter:  boris                    |       Owner:                
        Type:  bug                      |      Status:  closed        
    Priority:  normal                   |   Milestone:                
   Component:  Compiler (Type checker)  |     Version:  6.10.3        
  Resolution:  invalid                  |    Keywords:  Monoid, Writer
          Os:  Windows                  |    Testcase:                
Architecture:  x86                      |     Failure:  Other         
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Changes (by boris):

  * status:  new => closed
  * resolution:  => invalid

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3700#comment:2>
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