[GHC] #12207: CgStaticPointers fails with -O

[GHC]

#12207: CgStaticPointers fails with -O
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        Reporter:  thomie            |                Owner:
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:
       Component:  Compiler          |              Version:  8.1
  (CodeGen)                          |             Keywords:
      Resolution:                    |  StaticPointers
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  codeGen/should_run/CgStaticPointers
      Blocked By:                    |             Blocking:
 Related Tickets:  #11656            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by facundo.dominguez):

 `CgStaticPointers` and `ListStaticPointers` seem to fail only when
 compiled with `-O`.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12207#comment:4>
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