[GHC] #5421: <<loop>> in withMVar (reproducible, but with large test case)

[GHC]

#5421: <<loop>> in withMVar (reproducible, but with large test case)
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    Reporter:  JohnMillikin    |       Owner:                             
        Type:  bug             |      Status:  new                        
    Priority:  normal          |   Component:  Compiler                   
     Version:  7.2.1           |    Keywords:                             
    Testcase:                  |   Blockedby:                             
          Os:  Linux           |    Blocking:                             
Architecture:  x86_64 (amd64)  |     Failure:  Incorrect result at runtime
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Changes (by hvr):

 * cc: hvr@… (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5421#comment:1>
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