%Error: t/t_func_const_bad.v:11: Expecting expression to be constant, but can't determine constant for FUNCREF 'f_bad_output'
        t/t_func_const_bad.v:12: ... Location of non-constant VAR 'o': Language violation: Outputs/refs not allowed in constant functions
   localparam B1 = f_bad_output(1,2);
                   ^~~~~~~~~~~~
%Error: t/t_func_const_bad.v:20: Expecting expression to be constant, but can't determine constant for FUNCREF 'f_bad_dotted'
        t/t_func_const_bad.v:22: ... Location of non-constant VARXREF 'EIGHT': Language violation: Dotted hierarchical references not allowed in constant functions
        t/t_func_const_bad.v:20: ... Called from f_bad_dotted() with parameters:
           a = ?32?sh2
   localparam B2 = f_bad_dotted(2);
                   ^~~~~~~~~~~~
%Error: t/t_func_const_bad.v:27: Expecting expression to be constant, but can't determine constant for FUNCREF 'f_bad_nonparam'
        t/t_func_const_bad.v:29: ... Location of non-constant VARREF 'modvar': Language violation: reference to non-function-local variable
        t/t_func_const_bad.v:27: ... Called from f_bad_nonparam() with parameters:
           a = ?32?sh3
   localparam B3 = f_bad_nonparam(3);
                   ^~~~~~~~~~~~~~
%Error: t/t_func_const_bad.v:35: Expecting expression to be constant, but can't determine constant for FUNCREF 'f_bad_infinite'
        t/t_func_const_bad.v:37: ... Location of non-constant WHILE: Loop unrolling took too long; probably this is an infinite loop, or set --unroll-count above 1024
        t/t_func_const_bad.v:35: ... Called from f_bad_infinite() with parameters:
           a = ?32?sh3
   localparam B4 = f_bad_infinite(3);
                   ^~~~~~~~~~~~~~
%Error: t/t_func_const_bad.v:43: Expecting expression to be constant, but can't determine constant for FUNCREF 'f_bad_stop'
        t/t_func_const_bad.v:45: ... Location of non-constant STOP: $stop executed during function constification; maybe indicates assertion firing
        t/t_func_const_bad.v:43: ... Called from f_bad_stop() with parameters:
           a = ?32?sh3
   localparam BSTOP = f_bad_stop(3);
                      ^~~~~~~~~~
-Info: Printing in loop:           0
-Info: Printing in loop:           1
-Info: Printing in loop:           2
%Warning-USERFATAL: Fatal Error
                    ... Use "/* verilator lint_off USERFATAL */" and lint_on around source to disable this message.
%Error: t/t_func_const_bad.v:49: Expecting expression to be constant, but can't determine constant for FUNCREF 'f_bad_fatal'
        t/t_func_const_bad.v:54: ... Location of non-constant STOP: $stop executed during function constification; maybe indicates assertion firing
        t/t_func_const_bad.v:49: ... Called from f_bad_fatal() with parameters:
           a = ?32?sh3
   localparam BFATAL = f_bad_fatal(3);
                       ^~~~~~~~~~~
%Error: Exiting due to
