[GHC] #9869: Add new notation for negative numbers when using {-# LANGUAGE NegativeLiterals #-} (was: Add new notation for negative numbers when using -XNegativeLiterals)

[GHC]

#9869: Add new notation for negative numbers when using {-# LANGUAGE
NegativeLiterals #-}
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              Reporter:  bg_         |            Owner:  bg_
                  Type:  feature     |           Status:  new
  request                            |        Milestone:
              Priority:  low         |          Version:  7.8.3
             Component:  Compiler    |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9869#comment:3>
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