seattlerb/ruby2ruby — pull request #7 by tomykaira (2012-05-31 15:23:43+00:00)
Title: Remove not grobally used constants

Constants defined in Regexp collides with those in ruby_parser.
ruby_parser judges these constants are defined or not by ONCE constant, but ruby2ruby does not define it.
Therefore, ruby2ruby raises warning when used with the latest ruby_parser.