[GHC] #11725: Performance Regression from 7.8.3 to 7.10.3

[GHC]

#11725: Performance Regression from 7.8.3 to 7.10.3
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        Reporter:  dominic           |                Owner:  dominic
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 It's hard saying without knowing more precisely what the performance
 regression was due to.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11725#comment:8>
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