%Error-UNSUPPORTED: t/t_class_virtual.v:8:25: Unsupported: 'virtual' class method
    8 |    virtual function int hello;
      |                         ^~~~~
%Error-UNSUPPORTED: t/t_class_virtual.v:7:9: Unsupported: virtual class
    7 | virtual class VBase;
      |         ^~~~~
%Error: Exiting due to