[GHC] #5954: Performance regression 7.0 -> 7.2 (still in 7.4)

[GHC]

#5954: Performance regression 7.0 -> 7.2 (still in 7.4)
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        Reporter:  simonmar          |                   Owner:  simonpj
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  7.4.1
      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 George):

 Replying to [comment:11 carter]:
 > is this bug still going on in head?
 No reply to this so changing status to infoneeded

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5954#comment:15>
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