[GHC] #5129: "evaluate" optimized away

[GHC]

#5129: "evaluate" optimized away
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        Reporter:  dons              |                   Owner:  simonmar
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.0.3
      Resolution:  fixed             |                Keywords:  seq,
Operating System:  Unknown/Multiple  |  evaluate
 Type of failure:  Incorrect result  |            Architecture:
  at runtime                         |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Comment (by Feuerbach):

 Thanks Simon. I'll try to digest what you've written, and based on my
 understanding I'll write a better documentation for evaluate that would
 explain the issue.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5129#comment:18>
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