@Js
class Base
{
  Str foo := "hi"
}
@Js
class Sub : Base
{
  Void main()
  {
    // fan.sys.ObjUtil.echo(.m_foo);
    echo(super.foo)
  }
}

Expected: fan.sys.ObjUtil.echo(this.m_foo);

Promoted to ticket #1684 and assigned to andy

Ticket resolved in 1.0.62

Looks like this got fixed via #1782