# File lib/bundler/rubygems_integration.rb, line 154
    def loaded_gem_paths
      # RubyGems 2.2+ can put binary extension into dedicated folders,
      # therefore use RubyGems facilities to obtain their load paths.
      if Gem::Specification.method_defined? :full_require_paths
        loaded_gem_paths = Gem.loaded_specs.map {|_, s| s.full_require_paths }
        loaded_gem_paths.flatten
      else
        $LOAD_PATH.select do |p|
          Bundler.rubygems.gem_path.any? {|gp| p =~ /^#{Regexp.escape(gp)}/ }
        end
      end
    end