src/java.desktop/share/classes/javax/swing/plaf/basic/BasicComboPopup.java

@@ -528,19 +528,18 @@
      *
      * @return a <code>JList</code> used to display the combo box items
      */
     protected JList<Object> createList() {
         return new JList<Object>( comboBox.getModel() ) {
-            @SuppressWarnings("deprecation")
             public void processMouseEvent(MouseEvent e)  {
                 if (BasicGraphicsUtils.isMenuShortcutKeyDown(e))  {
                     // Fix for 4234053. Filter out the Control Key from the list.
                     // ie., don't allow CTRL key deselection.
                     Toolkit toolkit = Toolkit.getDefaultToolkit();
                     MouseEvent newEvent = new MouseEvent(
                                        (Component)e.getSource(), e.getID(), e.getWhen(),
-                                       e.getModifiers() ^ toolkit.getMenuShortcutKeyMask(),
+                                       e.getModifiersEx() ^ toolkit.getMenuShortcutKeyMaskEx(),
                                        e.getX(), e.getY(),
                                        e.getXOnScreen(), e.getYOnScreen(),
                                        e.getClickCount(),
                                        e.isPopupTrigger(),
                                        MouseEvent.NOBUTTON);