# File lib/rubygems.rb, line 645
  def self.load_path_insert_index
    index = $LOAD_PATH.index ConfigMap[:sitelibdir]

    $LOAD_PATH.each_with_index do |path, i|
      if path.instance_variables.include?(:@gem_prelude_index) or
        path.instance_variables.include?('@gem_prelude_index') then
        index = i
        break
      end
    end

    index
  end