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

[GHC]

#8832: Constant-folding regression wrt `clearBit (bit 0) 0 `
-------------------------------------+-------------------------------------
        Reporter:  hvr               |                   Owner:  ekmett
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:  7.12.1
       Component:  Core Libraries    |                 Version:  7.8.1-rc2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Runtime           |               Test Case:
  performance bug                    |  simplCore/should_compile/T8832
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * cc: ekmett (added)
 * owner:   => ekmett
 * component:  Compiler => Core Libraries


Comment:

 OK so this is a library problem, not a GHC problem.  Core Libraries
 Committee, might you take this on?

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8832#comment:24>
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