[GHC] #9505: Bounded instance for Word (and possibly others) uses explicitly unboxed literals

[GHC]

#9505: Bounded instance for Word (and possibly others) uses explicitly unboxed
literals
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              Reporter:  schyler     |            Owner:  ekmett
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Core        |          Version:  7.8.2
  Libraries                          |         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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Comment (by hvr):

 That's strange... I tried with GHC's going back to 6.12.3 but couldn't
 reproduce the problem described. I always end up with `GHC.Word.W# (__word
 18446744073709551615)` with `-ddump-simpl`.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9505#comment:3>
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