_reduce_54 (RubyParser)

    # File lib/ruby_parser.rb, line 3246
    def _reduce_54(val, _values, result)
                          result = new_call nil, val[0].to_sym, val[1]
                          if val[2] then
                            if result[0] == :block_pass then
                              raise "both block arg and actual block given"
                            end
                            result, operation = val[2], result
                            result.insert 1, operation
                          end

        result
    end