[GHC] #8472: Primitive string literals prevent optimization

[GHC]

#8472: Primitive string literals prevent optimization
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        Reporter:  akio              |                Owner:  gridaphobe
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.6.3
      Resolution:                    |             Keywords:  newcomer
Operating System:  Linux             |         Architecture:  x86_64
 Type of failure:  Runtime           |  (amd64)
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2554,
       Wiki Page:                    |  Phab:D2605
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Comment (by simonpj):

 Phab:D2554 is abandoned; let's remove it from the ticket sinceit is now
 irrelevant (I assume).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8472#comment:15>
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