[GHC] #7649: BangPatterns + ViewPatterns

[GHC]

#7649: BangPatterns + ViewPatterns
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    Reporter:  igloo             |       Owner:                  
        Type:  bug               |      Status:  new             
    Priority:  normal            |   Milestone:                  
   Component:  Compiler          |     Version:  7.7             
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Comment(by simonpj@…):

 commit 44302272b568bc86f0e62579f6707e6e9ae8e4ab
 {{{
 Author: Simon Peyton Jones <simonpj at microsoft.com>
 Date:   Wed Feb 13 17:42:18 2013 +0000

     Desugar bang patterns correctly (fixes Trac #7649)

     We were discarding a bang around a view pattern, which is
     utterly wrong

  compiler/deSugar/Match.lhs |   42
 ++++++++++++++++++++++++++++--------------
  1 files changed, 28 insertions(+), 14 deletions(-)
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7649#comment:1>
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