verilator/test_regress/t/t_func_redef.v

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain.
// SPDX-FileCopyrightText: 2019 Wilson Snyder
// SPDX-License-Identifier: CC0-1.0

function automatic integer min(input integer a, input integer b);
  return (a < b) ? a : b;
endfunction

module t #(
    parameter A = 16,
    parameter B = 8
) (  /*AUTOARG*/
    // Outputs
    c,
    // Inputs
    a,
    b
);

  input [A-1:0] a;
  input [B-1:0] b;
  output logic [min(A,B)-1:0] c;

  always_comb for (int i = 0; i < min(A, B); i++) assign c[i] = a[i] | b[i];

endmodule