[GHC] #650: Improve interaction between mutable arrays and GC

[GHC]

#650: Improve interaction between mutable arrays and GC
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  Reporter:  simonmar                 |          Owner:  simonmar        
      Type:  bug                      |         Status:  new             
  Priority:  normal                   |      Milestone:  6.12.2          
 Component:  Runtime System           |        Version:  6.4.1           
Resolution:                           |       Keywords:                  
Difficulty:  Difficult (2-5 days)     |             Os:  Unknown/Multiple
  Testcase:                           |   Architecture:  Unknown/Multiple
   Failure:  Runtime performance bug  |  
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Comment (by simonmar):

 NB. this patch is needed too

 {{{
 Mon Dec 21 11:52:49 GMT 2009  Simon Marlow <marlowsd at gmail.com>
   * Fixes to account for the new layout of MUT_ARR_PTRS (see #650)
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/650#comment:25>
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