[GHC] #12611: expression calculation error

[GHC]

#12611: expression calculation error
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           Reporter:  Tom               |             Owner:
               Type:  bug               |            Status:  new
           Priority:  normal            |         Milestone:
          Component:  Compiler          |           Version:  8.0.1
           Keywords:                    |  Operating System:  Windows
       Architecture:  Unknown/Multiple  |   Type of failure:  Other
          Test Case:                    |        Blocked By:
           Blocking:                    |   Related Tickets:
Differential Rev(s):                    |         Wiki Page:
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 Prelude> 20^65-exp(65*log(20))
 6.211571712111507e70


 Obviously, correct result is 0.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12611>
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