[GHC] #5475: Unthrown exceptions

[GHC]

#5475: Unthrown exceptions
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    Reporter:  daniel.is.fischer  |        Owner:  simonpj     
        Type:  bug                |       Status:  new         
    Priority:  high               |    Milestone:  7.4.1       
   Component:  Compiler           |      Version:  7.3         
    Keywords:                     |     Testcase:              
   Blockedby:                     |   Difficulty:              
          Os:  Unknown/Multiple   |     Blocking:              
Architecture:  Unknown/Multiple   |      Failure:  None/Unknown
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Comment(by simonpj@…):

 commit b8abb31f649f0b3eeb691f92a8310b73c520658e
 {{{
 Author: Simon Peyton Jones <simonpj at microsoft.com>
 Date:   Wed Nov 9 21:56:50 2011 +0000

     Fix Trac #5475: another bug in exprArity

     As usual it was to do with the handling of bottoms,
     but this time it wasn't terribly subtle; I was using
     andArityType (which is designed for case branches) as
     a cheap short cut for the arity trimming needed with
     a cast.  That did the Wrong Thing for bottoming
     expressions.  Sigh.

  compiler/coreSyn/CoreArity.lhs    |   27 ++++++++++++++++-----------
  compiler/simplCore/SimplUtils.lhs |    2 +-
  2 files changed, 17 insertions(+), 12 deletions(-)
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5475#comment:3>
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