[GHC] #9979: Performance regression GHC 7.8.4 to GHC HEAD

[GHC]

#9979: Performance regression GHC 7.8.4 to GHC HEAD
-------------------------------------+-------------------------------------
        Reporter:  alanz             |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.11
      Resolution:                    |                Keywords:  regression
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 thomie):

 * failure:  None/Unknown => Compile-time performance bug


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9979#comment:3>
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