[GHC] #9496: Simplify primitives for short cut fusion

[GHC]

#9496: Simplify primitives for short cut fusion
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              Reporter:  dfeuer      |            Owner:  dfeuer
                  Type:  task        |           Status:  new
              Priority:  lowest      |        Milestone:  ⊥
             Component:  Core        |          Version:  7.8.3
  Libraries                          |         Keywords:  fusion
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:  Other       |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Changes (by dfeuer):

 * cc: core-libraries-committee@… (added)
 * priority:  normal => lowest
 * milestone:   => ⊥


Comment:

 Duncan Coutts doesn't seem to think this is really a problem, per se. It
 even has an advantage: we avoid speculative rewrites that can be bad.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9496#comment:5>
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