[GHC] #2660: Add Down newtype wrapper for reversing orderings

[GHC]

#2660: Add Down newtype wrapper for reversing orderings
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 Reporter:  twanvl            |          Owner:                  
     Type:  proposal          |         Status:  new             
 Priority:  normal            |      Milestone:  Not GHC         
Component:  libraries/base    |        Version:  6.8.3           
 Severity:  normal            |     Resolution:                  
 Keywords:                    |     Difficulty:  Unknown         
 Testcase:                    |   Architecture:  Unknown/Multiple
       Os:  Unknown/Multiple  |  
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Changes (by igloo):

  * difficulty:  => Unknown
  * milestone:  => Not GHC

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2660#comment:1>
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