[GHC] #5879: mkWeak# has a very dangerous type

[GHC]

#5879: mkWeak# has a very dangerous type
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    Reporter:  simonpj           |       Owner:  simonmar        
        Type:  bug               |      Status:  new             
    Priority:  high              |   Milestone:  7.6.1           
   Component:  Compiler          |     Version:  7.4.1           
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Comment(by marlowsd@…):

 commit 1ed0193c707a6694d242848527927f3904d1b79a
 {{{
 Author: Simon Marlow <marlowsd at gmail.com>
 Date:   Fri Apr 27 11:12:38 2012 +0100

     Add a new primop mkWeakNoFinalizer (#5879)

  compiler/prelude/primops.txt.pp |    6 ++++++
  includes/stg/MiscClosures.h     |    1 +
  rts/Linker.c                    |    1 +
  rts/PrimOps.cmm                 |   16 +++++++++++-----
  4 files changed, 19 insertions(+), 5 deletions(-)
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5879#comment:2>
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