[GHC] #4381: scaleFloat does not handle overflow correctly.

[GHC]

#4381: scaleFloat does not handle overflow correctly.
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    Reporter:  draconx           |        Owner:                             
        Type:  bug               |       Status:  new                        
    Priority:  normal            |    Milestone:                             
   Component:  libraries/base    |      Version:  6.12.3                     
    Keywords:                    |     Testcase:                             
   Blockedby:                    |   Difficulty:                             
          Os:  Unknown/Multiple  |     Blocking:                             
Architecture:  Unknown/Multiple  |      Failure:  Incorrect result at runtime
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Changes (by simonpj):

 * cc: daniel.is.fischer@… (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4381#comment:1>
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