error.c: copy keyword arguments
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62054 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
error.c: copy keyword arguments
super method, except for keyword arguments copied to instance
variables. [Feature #14313]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62054 b2dd03c8-39d4-4d8f-98ff-823fe69b080e