error.c: ArgumentError if no receiver
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51002 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
error.c: ArgumentError if no receiver
is available on this exception object. [Feature #10881]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51002 b2dd03c8-39d4-4d8f-98ff-823fe69b080e