Ruby

parse.y: canonical name

• parse.y (parser_magic_comment): intern canonical name.
  InstructionSequence.compile_options are case-sensitive while
  pragma names are case-insensitive.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52260 b2dd03c8-39d4-4d8f-98ff-823fe69b080e