[GHC] #5218: Add unpackCStringLen# to create Strings from string literals

[GHC]

#5218: Add unpackCStringLen# to create Strings from string literals
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    Reporter:  tibbe             |       Owner:  igloo           
        Type:  feature request   |      Status:  new             
    Priority:  high              |   Milestone:  7.8.1           
   Component:  Compiler          |     Version:  7.0.3           
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:  5877              |  
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Changes (by parcs):

 * cc: patrick@… (added)


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5218#comment:19>
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