[GHC] #4876: isEmptySampleVar returns False when threads are waiting on an empty SampleVar

[GHC]

#4876: isEmptySampleVar returns False when threads are waiting on an empty
SampleVar
---------------------------------+------------------------------------------
    Reporter:  guest             |        Owner:  simonmar                   
        Type:  bug               |       Status:  merge                      
    Priority:  high              |    Milestone:  7.0.2                      
   Component:  libraries/base    |      Version:  7.0.1                      
    Keywords:                    |     Testcase:                             
   Blockedby:                    |   Difficulty:                             
          Os:  Unknown/Multiple  |     Blocking:                             
Architecture:  Unknown/Multiple  |      Failure:  Incorrect result at runtime
---------------------------------+------------------------------------------
Changes (by simonmar):

  * status:  new => merge


Comment:

 Fixed:

 {{{
 Thu Jan  6 07:46:54 PST 2011  Simon Marlow <marlowsd at gmail.com>
   * fix #4876
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4876#comment:2>
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