parse.y: no reduction with 1
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42350 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
parse.y: no reduction with 1
integral rational because no reduction is needed with 1.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42350 b2dd03c8-39d4-4d8f-98ff-823fe69b080e