[GHC] #7493: STM and TVar report incorrect results

[GHC]

#7493: STM and TVar report incorrect results
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  Reporter:  parcs                        |          Owner:                  
      Type:  bug                          |         Status:  new             
  Priority:  highest                      |      Milestone:  7.6.2           
 Component:  Runtime System               |        Version:  7.6.1           
Resolution:                               |       Keywords:                  
        Os:  Unknown/Multiple             |   Architecture:  Unknown/Multiple
   Failure:  Incorrect result at runtime  |     Difficulty:  Unknown         
  Testcase:                               |      Blockedby:                  
  Blocking:                               |        Related:                  
------------------------------------------+---------------------------------
Changes (by parcs):

  * status:  closed => new
  * resolution:  fixed =>


Comment:

 I am getting the same output as fryguybob using GHC 7.7 20121214 and STM
 2.4.2.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7493#comment:5>
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