[GHC] #9630: compile-time performance regression (probably due to Generics)

[GHC]

#9630: compile-time performance regression (probably due to Generics)
-------------------------------------+-------------------------------------
        Reporter:  hvr               |                   Owner:  simonpj
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  7.9
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:  #9583             |  Differential Revisions:
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Changes (by thoughtpolice):

 * milestone:  7.10.1 => 7.12.1


Comment:

 So the short-term problem here is fixed, but the long-term fixes are still
 needed, so I'm bumping this to 7.12 for future work by Pedro.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9630#comment:9>
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