--- old/src/share/classes/sun/java2d/pipe/GlyphListLoopPipe.java	2009-09-18 11:58:59.000000000 +0200
+++ new/src/share/classes/sun/java2d/pipe/GlyphListLoopPipe.java	2009-09-18 11:58:59.000000000 +0200
@@ -36,8 +36,9 @@
  * the installed loop may not match the glyphvector.
  */
 
-public abstract class GlyphListLoopPipe extends GlyphListPipe {
-
+public abstract class GlyphListLoopPipe extends GlyphListPipe
+    implements LoopBasedPipe
+{
     protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl,
                                  int aaHint) {
         switch (aaHint) {