[MacRuby] #1493: Dispatch::Group.new does not raise an exception if passes an argument.

[MacRuby]

#1493: Dispatch::Group.new does not raise an exception if passes an argument.
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 Reporter:  watson1978@…          |       Owner:  lsansonetti@…        
     Type:  defect                |      Status:  new                  
 Priority:  major                 |   Milestone:                       
Component:  MacRuby               |    Keywords:                       
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 Dispatch::Group.new does not accept an argument.
 https://github.com/MacRuby/MacRuby/blob/master/gcd.c#L1397-1398

 However, Dispatch::Group.new does not raise an exception if I pass an
 argument to Dispatch::Group.new.
 {{{
 $ macirb
 irb(main):001:0> group = Dispatch::Group.new(100)
 => #<Dispatch::Group:0x40074d840>
 }}}

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Ticket URL: <http://www.macruby.org/trac/ticket/1493>
MacRuby <http://macruby.org/>