1%Error: t/t_var_dup2_bad.v:13:9: Duplicate declaration of signal: 'bad_o_w'
2                               : ... note: ANSI ports must have type declared with the I/O (IEEE 1800-2017 23.2.2.2)
3   13 |    wire bad_o_w;
4      |         ^~~~~~~
5        t/t_var_dup2_bad.v:10:11: ... Location of original declaration
6   10 |    output bad_o_w,
7      |           ^~~~~~~
8%Error: t/t_var_dup2_bad.v:14:9: Duplicate declaration of signal: 'bad_o_r'
9   14 |    reg  bad_o_r;
10      |         ^~~~~~~
11        t/t_var_dup2_bad.v:11:11: ... Location of original declaration
12   11 |    output bad_o_r);
13      |           ^~~~~~~
14%Error: Exiting due to
15