--- old/modules/javafx.graphics/src/main/java/com/sun/marlin/DMarlinRenderingEngine.java	2017-04-19 21:26:33.622147353 +0200
+++ new/modules/javafx.graphics/src/main/java/com/sun/marlin/DMarlinRenderingEngine.java	2017-04-19 21:26:33.494147338 +0200
@@ -37,7 +37,7 @@
 /**
  * Marlin RendererEngine implementation (derived from Pisces)
  */
-public class DMarlinRenderingEngine implements MarlinConst
+public final class DMarlinRenderingEngine implements MarlinConst
 {
     /**
      * Private constructor to prevent instantiation.
@@ -48,12 +48,12 @@
     static {
         if (PathIterator.WIND_NON_ZERO != DMarlinRenderer.WIND_NON_ZERO ||
             PathIterator.WIND_EVEN_ODD != DMarlinRenderer.WIND_EVEN_ODD ||
-            BasicStroke.JOIN_MITER != Stroker.JOIN_MITER ||
-            BasicStroke.JOIN_ROUND != Stroker.JOIN_ROUND ||
-            BasicStroke.JOIN_BEVEL != Stroker.JOIN_BEVEL ||
-            BasicStroke.CAP_BUTT != Stroker.CAP_BUTT ||
-            BasicStroke.CAP_ROUND != Stroker.CAP_ROUND ||
-            BasicStroke.CAP_SQUARE != Stroker.CAP_SQUARE)
+            BasicStroke.JOIN_MITER != DStroker.JOIN_MITER ||
+            BasicStroke.JOIN_ROUND != DStroker.JOIN_ROUND ||
+            BasicStroke.JOIN_BEVEL != DStroker.JOIN_BEVEL ||
+            BasicStroke.CAP_BUTT != DStroker.CAP_BUTT ||
+            BasicStroke.CAP_ROUND != DStroker.CAP_ROUND ||
+            BasicStroke.CAP_SQUARE != DStroker.CAP_SQUARE)
         {
             throw new InternalError("mismatched renderer constants");
         }