#7460: Double literals generated bad core
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    Reporter:  tibbe             |       Owner:                         
        Type:  bug               |      Status:  new                    
    Priority:  normal            |   Milestone:                         
   Component:  Compiler          |     Version:  7.4.2                  
    Keywords:                    |          Os:  Unknown/Multiple       
Architecture:  Unknown/Multiple  |     Failure:  Runtime performance bug
  Difficulty:  Unknown           |    Testcase:                         
   Blockedby:                    |    Blocking:                         
     Related:                    |  
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Comment(by tibbe):

 Changing the use of `fromIntegral` to

 {{{
 word2Double x = D# (int2Double# (word2Int# x))
 }}}

 works around the issue in my case.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7460#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler

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