Add test for a form of destructuring for syntax that was previously unspec'd.
Add test for a form of destructuring for syntax that was previously unspec'd.

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