Ruby » Ruby master

use rb_check_arity [ci skip]

• ext: use rb_check_arity and rb_error_arity to raise
  ArgumentError. [Feature #9025]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52275 b2dd03c8-39d4-4d8f-98ff-823fe69b080e