%Warning-BLKSEQ: t/t_lint_blksync_bad.v:24:16: Blocking assignment '=' in sequential logic process
                                             : ... Suggest using delayed assignment '<='
   24 |       sync_blk = 1'b1;
      |                ^
                 ... For warning description see https://verilator.org/warn/BLKSEQ?v=latest
                 ... Use "/* verilator lint_off BLKSEQ */" and lint_on around source to disable this message.
%Warning-BLKSEQ: t/t_lint_blksync_bad.v:25:17: Blocking assignment '=' in sequential logic process
                                             : ... Suggest using delayed assignment '<='
   25 |       sync_blk2 = 1'b1;    
      |                 ^
%Warning-COMBDLY: t/t_lint_blksync_bad.v:31:18: Non-blocking assignment '<=' in combinational logic process
                                              : ... This will be executed as a blocking assignment '='!
   31 |       combo_nblk <= 1'b1;
      |                  ^~
                  *** See https://verilator.org/warn/COMBDLY before disabling this,
                  else you may end up with different sim results.
%Error: Exiting due to