%Error: t/t_sys_readmem_assoc_bad.v:12: $readmemb address/key must be integral (IEEE 21.4.1)
                                      : ... In instance t
      $readmemb("not", assoc_bad_key);
                       ^~~~~~~~~~~~~
%Error: t/t_sys_readmem_assoc_bad.v:13: Unsupported: $readmemb array values must be integral
                                      : ... In instance t
      $readmemb("not", assoc_bad_value);
                       ^~~~~~~~~~~~~~~
%Error: Exiting due to
