FULL PRODUCT VERSION :
This is a build of the next workspace
http://hg.openjdk.java.net/jdk7u/jdk7u40

+ webrev for 8019265 has been applied

denis@/export/wsps/jdk7u40>hg summary
parent: 703:a1ae13479e87 tip
Added tag jdk7u40-b33 for changeset 3fdfe7f1b063

openjdk version " 1.7.0-internal "
OpenJDK Runtime Environment (build 1.7.0-internal-denis_2013_07_12_14_24-b00)
OpenJDK 64-Bit Server VM (build 24.0-b52, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
OS X 10.8.4 (12E55)

EXTRA RELEVANT SYSTEM CONFIGURATION :
  Model Name:Mac mini
  Model Identifier:Macmini6,2
  Processor Name:Intel Core i7

A DESCRIPTION OF THE PROBLEM :
Despite the fact that the fix for 8019265 works brilliant , it still does not covers some cases.

REGRESSION. Last worked in version 6u45

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1. Run the attached source code.
2. Use Up/Down arrows keys. You should notice that ItemEvents and ActionEvents are received.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
We do not press F24 and arrow key is not an accelerator, so we should not receive any notifications.
ACTUAL -
We are notified in ActionListener and ItemListener.

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

class SimpleEditor extends JFrame {

    private final JTextArea textArea = new JTextArea(60, 30);

    private SimpleEditor() throws HeadlessException {
        super( " Simple editor " );

        System.setProperty( " apple.laf.useScreenMenuBar " , " true " );
        textArea.setText( " First
Second
PLACE CARET HERE
Fourth
Fifth " );
        textArea.setCaretPosition( " First
Second
PLACE " .length());
        add(textArea);
        JMenuBar mb = new JMenuBar();
        JMenu firstMenu = new JMenu( " FirstMenu " );
        JCheckBoxMenuItem firstMenuItem = new JCheckBoxMenuItem( " FirstItem " );

        firstMenu.add(firstMenuItem);
        mb.add(firstMenu);
        setJMenuBar(mb);
        pack();
        setVisible(true);

        KeyStroke ctrlShiftUp = KeyStroke.getKeyStroke( " shift meta DOWN " );

        firstMenuItem.setAccelerator(ctrlShiftUp);

        firstMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F24,0));

        firstMenuItem.addActionListener(new ActionListener() {
              @Override
            public void actionPerformed(ActionEvent e) {
                System.err.println( " Action on menu item " );
            }
        });

        firstMenuItem.addItemListener(new ItemListener() {
            @Override
            public void itemStateChanged(ItemEvent e) {
                System.err.println(e);
            }
        });
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                new SimpleEditor();

            }
        });
    }
}

---------- END SOURCE ----------