[GHC] #7913: Argument order not preserved by nubBy

[GHC]

#7913: Argument order not preserved by nubBy
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              Reporter:  paullik     |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Prelude     |          Version:  7.6.3
            Resolution:              |         Keywords:  nubBy
      Operating System:  Linux       |     Architecture:  Unknown/Multiple
       Type of failure:              |       Difficulty:  Unknown
  None/Unknown                       |       Blocked By:
             Test Case:              |  Related Tickets:
              Blocking:              |
Differential Revisions:              |
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Comment (by thomie):

 Library proposal for the 'still easy' solution:
 http://www.haskell.org/pipermail/libraries/2014-September/023776.html

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7913#comment:4>
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