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

[GHC]

#9630: compile-time performance regression (probably due to Generics)
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        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, #10293     |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by goldfire):

 * related:  #9583 => #9583, #10293


Comment:

 One thing I see in the (first set of) numbers above is that `lintAnnots`
 takes up a lot of time! It might be a problem with wrong call-centres, but
 then at least the call-centres should be sorted out.

 The call-arity problem is being tracked in #10293.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9630#comment:13>
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