Add a list of common guards
Add a list of common guards

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