verilator/test_regress/t/t_json_only_output.v

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2019 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0

module m
  (input clk);  // verilator tag foo_op

endmodule