# File lib/ruby-prof/call_info.rb, line 51
    def compute_minimality(parent_methods)
      if parent_methods.include?(target)
        @minimal = false
      else
        @minimal = true
        parent_methods << target unless children.empty?
      end
      children.each {|ci| ci.compute_minimality(parent_methods)}
      parent_methods.delete(target) if @minimal && !children.empty?
    end