Can't draw non-ASCII characters

Run the application FontTest (see below) on a JDK with the changes put back by the 2D team on 1998.04.28, and in the Japanese locale. The application should draw a string containing the German sharp-s character, small and full-size Japanese hiragana-a characters, and "abc", each one several times. Only the "abc" is drawn as itself, all the non-ASCII characters are rendered as random ASCII characters.

The application works fine on the JDK-1.2beta4-C build.

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import java.awt.*;
import java.awt.event.*;
import java.text.*;

public class FontTest extends Frame {

    public FontTest() {
        setTitle("Font Test");
        setSize(400, 400);
        add(new FontTestCanvas(), "North");
        show();
        getComponent(0).requestFocus();
    }

    public static void main(String argv[]) {
        FontTest test = new FontTest();
    }
}

class FontTestCanvas extends Canvas {

    FontTestCanvas() {
        super();
setSize(300, 80);
setBackground(Color.cyan);
setVisible(true);
setEnabled(true);
    }
    
     public void paint(Graphics g) {
        super.paint(g);
g.setColor(getForeground());
g.drawString("\u00df\u3041\u3042\u00df\u3041\u3042\u00df\u3041abc\u3042\u00dfabc", 5, 15);
    }
    
}