[GHC] #7903: Failure to find class instance specified with extra parentheses

[GHC]

#7903: Failure to find class instance specified with extra parentheses
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    Reporter:  conal             |       Owner:                                
        Type:  bug               |      Status:  new                           
    Priority:  normal            |   Milestone:                                
   Component:  Compiler          |     Version:  7.6.3                         
    Keywords:                    |          Os:  Unknown/Multiple              
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown                  
  Difficulty:  Unknown           |    Testcase:  typecheck/should_compile/T7903
   Blockedby:                    |    Blocking:                                
     Related:                    |  
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Changes (by simonpj):

  * testcase:  => typecheck/should_compile/T7903
  * difficulty:  => Unknown


Comment:

 Dead right. I need to think again. This really is a very tiresome corner!

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7903#comment:3>
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