unnecessary intermediate objects.
* complex.c (make_patterns, string_to_c): do not treat successive
underscores as a part of numeric like as literals. [ruby-dev:34085]
* rational.c (make_patterns, string_to_r): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15800 b2dd03c8-39d4-4d8f-98ff-823fe69b080e