Add a spec for the special String#freeze syntax.
Add a spec for the special String#freeze syntax.

nobu/rubyspec,ruby/spec,eregon/rubyspec,ruby/spec,wied03/rubyspec,nobu/rubyspec,eregon/rubyspec,wied03/rubyspec,sgarciac/spec,ruby/rubyspec,sgarciac/spec,sgarciac/spec,wied03/rubyspec,ruby/spec,eregon/rubyspec,ruby/rubyspec,kachick/rubyspec,nobu/rubyspec,kachick/rubyspec,kachick/rubyspec