[ruby/yarp] Make sure lexing ? does not read off the end
https://github.com/ruby/yarp/commit/d694e3ebf2
[ruby/yarp] Make sure lexing ? does not read off the end
https://github.com/ruby/yarp/commit/d694e3ebf2