make_thread_list

# File lib/debug.rb, line 837
  def make_thread_list
    hash = {}
    for th in Thread::list
      if @thread_list.key? th
        hash[th] = @thread_list[th]
      else
        @max_thread += 1
        hash[th] = @max_thread
      end
    end
    @thread_list = hash
  end