[GHC] #9136: Constant folding in Core could be better

[GHC]

#9136: Constant folding in Core could be better
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              Reporter:  simonpj     |            Owner:  nomeata
                  Type:  bug         |           Status:  infoneeded
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.8.2
            Resolution:              |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Unknown
       Type of failure:  Runtime     |       Blocked By:
  performance bug                    |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Changes (by thoughtpolice):

 * status:  patch => infoneeded


Comment:

 @Joachim: is this patchset still in limbo? If there's no measurable
 performance impact, but it improves code and doesn't hurt performance, I
 don't see why you cannot merge it.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9136#comment:17>
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