%Error-HIERPARAM: t/t_param_hier_bad.v:36:32: Parameter values cannot use hierarchical values (IEEE 1800-2023 6.20.2)
                                            : ... note: In instance 't'
   36 |   localparam int SUB_Y = u_sub.Y;   
      |                                ^
                  ... For error description see https://verilator.org/warn/HIERPARAM?v=latest
%Error: t/t_param_hier_bad.v:38:35: Parameter values cannot call hierarchical functions (IEEE 1800-2023 6.20.2)
                                  : ... note: In instance 't'
   38 |   localparam int SUB_FUNC = u_sub.sub_func();   
      |                                   ^~~~~~~~
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: t/t_param_hier_bad.v:44:18: Parameter values cannot call hierarchical functions (IEEE 1800-2023 6.20.2)
                                  : ... note: In instance 't'
   44 |   sub #(.X(block.block_func())) u_sub2 ();   
      |                  ^~~~~~~~~~
%Error: Exiting due to