[GHC] #14944: Compile speed regression

[GHC]

#14944: Compile speed regression
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        Reporter:  br1               |                Owner:  dfeuer
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.4.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by br1):

 @dfeuer Here's the paper https://www.fing.edu.uy/~mviera/papers/pepm13.pdf

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14944#comment:12>
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