[GHC] #10231: TMVar - fmap - orElse clashes in ghc 7.8.4

[GHC]

#10231: TMVar - fmap - orElse clashes in ghc 7.8.4
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        Reporter:  ran               |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:
       Component:  libraries         |                 Version:  7.8.4
  (other)                            |                Keywords:
      Resolution:  worksforme        |            Architecture:  x86_64
Operating System:  Linux             |  (amd64)
 Type of failure:  Incorrect result  |               Test Case:
  at runtime                         |                Blocking:
      Blocked By:                    |  Differential Revisions:
 Related Tickets:                    |
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Changes (by ran):

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


Comment:

 NOINLINE helps, thank you

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10231#comment:2>
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