[GHC] #8695: Arithmetic overflow from (minBound :: Int) `quot` (-1)

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Sun Jan 26 17:25:45 UTC 2014


#8695: Arithmetic overflow from (minBound :: Int) `quot` (-1)
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        Reporter:  rleslie                      |            Owner:
            Type:  bug                          |           Status:  new
        Priority:  normal                       |        Milestone:
       Component:  libraries/haskell2010        |          Version:  7.6.3
      Resolution:                               |         Keywords:
Operating System:  Unknown/Multiple             |     Architecture:
 Type of failure:  Incorrect result at runtime  |  Unknown/Multiple
       Test Case:                               |       Difficulty:
        Blocking:                               |  Unknown
                                                |       Blocked By:
                                                |  Related Tickets:
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Comment (by carter):

 @rleslie

 any changes need to have clear meaning!

 For example,  why would minBound * (-1) == minBound?
 Is this an artifact of twos-complement?

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8695#comment:4>
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