[GHC] #9522: SPECIALISE pragmas for derived instances

[GHC]

#9522: SPECIALISE pragmas for derived instances
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        Reporter:  simonpj           |                   Owner:
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.8.2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by thomie):

 * failure:  None/Unknown => Runtime performance bug
 * type:  bug => feature request


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9522#comment:2>
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