[GHC] #9451: Incorrect optimizations involving negative zero

[GHC]

#9451: Incorrect optimizations involving negative zero
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              Reporter:  manzyuk     |            Owner:
                  Type:  bug         |           Status:  closed
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.8.3
            Resolution:  duplicate   |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Unknown
       Type of failure:  Incorrect   |       Blocked By:
  result at runtime                  |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Changes (by rwbarton):

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


Comment:

 Thanks for the report. This is a duplicate of #9238, but interesting to
 know that it is a regression from 7.6.3.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9451#comment:1>
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