[GHC] #10293: CallArity taking 20% of compile time

[GHC]

#10293: CallArity taking 20% of compile time
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        Reporter:  simonpj           |                   Owner:  nomeata
            Type:  bug               |                  Status:  merge
        Priority:  high              |               Milestone:  7.10.2
       Component:  Compiler          |                 Version:  7.10.1
      Resolution:  fixed             |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Changes (by simonpj):

 * milestone:  7.12.1 => 7.10.2


Comment:

 Let's see if we can get the current patch in 7.10.2 (email to ghc-devs on
 7/5/15).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10293#comment:22>
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