[GHC] #8899: StdGen does not generate 0

[GHC]

#8899: StdGen does not generate 0
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        Reporter:  novadenizen       |            Owner:
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  libraries/random  |          Version:  7.9
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  Other             |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by rrnewton):

 Hi all, late to the party but I'll take a look.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8899#comment:5>
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