#4101: Primitive constant unfolding
---------------------------------+------------------------------------------
    Reporter:  malosh            |        Owner:                         
        Type:  bug               |       Status:  new                    
    Priority:  normal            |    Milestone:  6.16.1                 
   Component:  Compiler          |      Version:  6.12.2                 
    Keywords:                    |   Difficulty:                         
          Os:  Unknown/Multiple  |     Testcase:                         
Architecture:  x86               |      Failure:  Runtime performance bug
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Changes (by igloo):

  * milestone:  => 6.16.1


Comment:

 Test case:
 {{{
 module Q where

 foo x = x < (2 ** (-1021) :: Double)
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4101#comment:2>
GHC <http://www.haskell.org/ghc/>
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