[GHC] #8832: Constant-folding regression wrt `clearBit (bit 0) 0 `

GHC ghc-devs at haskell.org
Thu Mar 13 12:28:02 UTC 2014


#8832: Constant-folding regression wrt `clearBit (bit 0) 0 `
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        Reporter:  hvr                      |            Owner:  simonpj
            Type:  bug                      |           Status:  new
        Priority:  normal                   |        Milestone:  7.8.1
       Component:  Compiler                 |          Version:  7.8.1-rc2
      Resolution:                           |         Keywords:
Operating System:  Unknown/Multiple         |     Architecture:
 Type of failure:  Runtime performance bug  |  Unknown/Multiple
       Test Case:                           |       Difficulty:  Unknown
        Blocking:                           |       Blocked By:
                                            |  Related Tickets:
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Comment (by simonpj):

 I believe I've fixed this.  I'm not sure if it's worth merging into 7.8;
 the status quo is definitely not a show-stopper.

 Simon

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8832#comment:7>
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