[GHC] #3963: Entered absent arg

[GHC]

#3963: Entered absent arg
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    Reporter:  LouisWasserman    |        Owner:              
        Type:  bug               |       Status:  infoneeded  
    Priority:  normal            |    Milestone:  6.12.3      
   Component:  Compiler          |      Version:  6.12.1      
    Keywords:                    |   Difficulty:              
          Os:  Unknown/Multiple  |     Testcase:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
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Changes (by simonpj):

  * status:  new => infoneeded


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3963#comment:4>
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