[GHC] #11365: Worse performance with -O

[GHC]

#11365: Worse performance with -O
-------------------------------------+-------------------------------------
        Reporter:                    |                Owner:
  facundo.dominguez                  |
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:
      Resolution:  duplicate         |             Keywords:  optimization
                                     |  performance concurrency
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #1168             |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by thomie):

 * status:  new => closed
 * resolution:   => duplicate
 * related:   => #1168


Comment:

 > Ah yes! Just search for "replicateM" and you'll see a raft of tickets
 about this one problem!

 There is a link back to this ticket from #1168, so this example can still
 be found and used as a test if necessary.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11365#comment:4>
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