[GHC] #4284: Adding parentheses introduces type error

[GHC]

#4284: Adding parentheses introduces type error
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    Reporter:  jpbernardy        |       Owner:                           
        Type:  bug               |      Status:  new                      
    Priority:  normal            |   Component:  Compiler (Type checker)  
     Version:  6.12.3            |    Keywords:  higher-rank polymorphism 
    Testcase:                    |   Blockedby:                           
          Os:  Unknown/Multiple  |    Blocking:                           
Architecture:  Unknown/Multiple  |     Failure:  GHC rejects valid program
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Changes (by andresSR):

 * cc: andres.sicard.ramirez@… (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4284#comment:1>
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