features, loading or loaded features are already expanded in 1.9.
* variable.c (rb_autoload_load): no needs to check if provided before
rb_require_safe. [ruby-dev:34266]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15920 b2dd03c8-39d4-4d8f-98ff-823fe69b080e