Follow ruby-lang `Bug #13669` in Enumerable#uniq
Follow ruby-lang `Bug #13669` in Enumerable#uniq

sgarciac/spec,sgarciac/spec,ruby/rubyspec,ruby/spec,sgarciac/spec,nobu/rubyspec,nobu/rubyspec,eregon/rubyspec,eregon/rubyspec,ruby/rubyspec,nobu/rubyspec,ruby/spec,eregon/rubyspec,ruby/spec