[GHC] #7101: Specialise broken for implicit parameters

[GHC]

#7101: Specialise broken for implicit parameters
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    Reporter:  pcapriotti        |       Owner:                             
        Type:  bug               |      Status:  new                        
    Priority:  normal            |   Milestone:  7.6.1                      
   Component:  Compiler          |     Version:  7.4.2                      
    Keywords:                    |          Os:  Unknown/Multiple           
Architecture:  Unknown/Multiple  |     Failure:  Incorrect result at runtime
  Difficulty:  Unknown           |    Testcase:                             
   Blockedby:                    |    Blocking:                             
     Related:                    |  
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Comment(by simonpj@…):

 commit 2f08f709cfdace23a4e32d80a57af349f7cc785a
 {{{
 Author: Simon Peyton Jones <simonpj at microsoft.com>
 Date:   Thu Aug 23 16:35:55 2012 +0100

     Don't specialise on implicit-parameter arguments in Specalise

     This is a fix for Trac #7101

  compiler/specialise/Specialise.lhs |   12 ++++++++----
  1 files changed, 8 insertions(+), 4 deletions(-)
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7101#comment:1>
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