[GHC] #11688: Bytestring break failing rewrite to breakByte and failing to eliminate boxing/unboxing

[GHC]

#11688: Bytestring break failing rewrite to breakByte and failing to eliminate
boxing/unboxing
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        Reporter:  alexbiehl         |                Owner:
            Type:  bug               |               Status:  upstream
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1980
       Wiki Page:                    |
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Comment (by bgamari):

 I've opened
 [[https://github.com/haskell/bytestring/pull/71/files|bytestring #71]] for
 the rewrite rule fixes.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11688#comment:14>
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