[GHC] #10521: Wrong results in strict Word8 storage on x64

[GHC]

#10521: Wrong results in strict Word8 storage on x64
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        Reporter:  VincentBerthoux2  |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  highest           |               Milestone:  7.10.2
       Component:  Compiler          |                 Version:  7.10.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:  x86_64
 Type of failure:  Incorrect result  |  (amd64)
  at runtime                         |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by rwbarton):

 * priority:  normal => highest
 * milestone:   => 7.10.2


Comment:

 Regression relative to 7.8, investigating...

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10521#comment:3>
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