%Error-UNSUPPORTED: t/t_unpacked_concat_bad.v:12:46: Unsupported: Non-1 replication to form 'bit[31:0]$[1:0]' data type
                                                   : ... note: In instance 't'
   12 |    localparam bit_int_t count_bits [1:0] = {2{$bits(count_t)}};
      |                                              ^
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error: t/t_unpacked_concat_bad.v:12:46: Assignment pattern missed initializing elements: 0
                                       : ... note: In instance 't'
   12 |    localparam bit_int_t count_bits [1:0] = {2{$bits(count_t)}};
      |                                              ^
%Error: Exiting due to