[GHC] #10069: CPR related performance issue

[GHC]

#10069: CPR related performance issue
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        Reporter:  pacak             |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.10.1-rc2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by simonpj):

 The dependencies are still substantial, on `lens` in particular.  pacak
 tells me that he is working on cutting it down further.  (Thank you.)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10069#comment:23>
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