[GHC] #9234: Compiled code performance regression

[GHC]

#9234: Compiled code performance regression
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        Reporter:  augustss      |            Owner:
            Type:  bug           |           Status:  new
        Priority:  low           |        Milestone:
       Component:  Compiler      |          Version:  7.8.2
      Resolution:                |         Keywords:
Operating System:  Windows       |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown  |       Difficulty:  Unknown
       Test Case:                |       Blocked By:
        Blocking:                |  Related Tickets:
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Comment (by augustss):

 If we had more resources (human and machine) it would be interesting to
 keep up with ghc HEAD.  But keeping up with ghc is not effortless nor
 automatic.  I've spent about 1.5 weeks upgrading from 7.6 to 7.8.  It
 involves finding a set of packages that compiles with the new ghc, and
 fixing all the places in our code where the new ghc is incompatible with
 the old one.  Note, I'm not complaining about having to do these changes,
 but we don't have the resources to do them continuously.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9234#comment:5>
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