[GHC] #4881: Some patches for GHC

[GHC]

#4881: Some patches for GHC
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    Reporter:  basvandijk        |       Owner:              
        Type:  task              |      Status:  new         
    Priority:  normal            |   Component:  Compiler    
     Version:  7.0.1             |    Keywords:              
    Testcase:                    |   Blockedby:              
          Os:  Unknown/Multiple  |    Blocking:              
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown
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Comment(by basvandijk):

 Please ignore the last patch in the bundle:

 {{{
 Sun Dec 12 00:50:20 CET 2010  Bas van Dijk <v.dijk.bas at gmail.com>
   * Require happy >= 1.18.7
   happy-1.18.7 generates needed Functor and Applicative instances for
 HappyIdentity
 }}}

 That is only required when `Applicative` becomes a superclass of `Monad`.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4881#comment:1>
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