%Error-UNSUPPORTED: t/t_class_extends_this.v:13:11: Unsupported: this
   13 |       if (this.value != 1) $stop;
      |           ^~~~
%Error: t/t_class_extends_this.v:13:11: Can't find definition of scope/variable: 'this'
   13 |       if (this.value != 1) $stop;
      |           ^~~~
%Error-UNSUPPORTED: t/t_class_extends_this.v:17:19: Unsupported: class extends
   17 | class Cls extends Base;
      |                   ^~~~
%Error-UNSUPPORTED: t/t_class_extends_this.v:21:11: Unsupported: this
   21 |       if (this.value != 2) $stop;
      |           ^~~~
%Error: t/t_class_extends_this.v:21:11: Can't find definition of scope/variable: 'this'
   21 |       if (this.value != 2) $stop;
      |           ^~~~
%Error-UNSUPPORTED: t/t_class_extends_this.v:22:11: Unsupported: super
   22 |       if (super.value != 1) $stop;
      |           ^~~~~
%Error: t/t_class_extends_this.v:22:11: Can't find definition of scope/variable: 'super'
   22 |       if (super.value != 1) $stop;
      |           ^~~~~
%Error-UNSUPPORTED: t/t_class_extends_this.v:23:7: Unsupported: super
   23 |       super.test();
      |       ^~~~~
%Error: t/t_class_extends_this.v:23:7: Can't find definition of scope/variable: 'super'
   23 |       super.test();
      |       ^~~~~
%Error-UNSUPPORTED: t/t_class_extends_this.v:24:7: Unsupported: super
   24 |       super.value = 10;
      |       ^~~~~
%Error: t/t_class_extends_this.v:24:7: Can't find definition of scope/variable: 'super'
   24 |       super.value = 10;
      |       ^~~~~
%Error-UNSUPPORTED: t/t_class_extends_this.v:25:7: Unsupported: this
   25 |       this.value = 20;
      |       ^~~~
%Error: t/t_class_extends_this.v:25:7: Can't find definition of scope/variable: 'this'
   25 |       this.value = 20;
      |       ^~~~
%Error-UNSUPPORTED: t/t_class_extends_this.v:26:11: Unsupported: super
   26 |       if (super.value != 10) $stop;
      |           ^~~~~
%Error: t/t_class_extends_this.v:26:11: Can't find definition of scope/variable: 'super'
   26 |       if (super.value != 10) $stop;
      |           ^~~~~
%Error: Exiting due to