--- /dev/null	2017-10-31 17:18:56.000000000 +0530
+++ new/test/jdk/javax/swing/JMenu/8178430/LabelDotTest.java	2017-10-31 17:18:54.389224800 +0530
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2009, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8178430
+ * @summary JMenu in GridBagLayout flickers when label text shows "..." and
+ * is updated
+ * @run main LabelDotTest
+ */
+import java.awt.Dimension;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.util.stream.IntStream;
+
+import javax.swing.SwingUtilities;
+import javax.swing.JLabel;
+import javax.swing.JMenu;
+import javax.swing.JFrame;
+import javax.swing.JMenuBar;
+import javax.swing.JPanel;
+import javax.swing.SwingConstants;
+
+public class LabelDotTest
+{
+    // private final static String longText = "nur anders";
+    private final static String longText = "show a very long text to have it " +
+            "automatically shortened";
+    private final static String shortText = "show short text";
+
+    private JLabel label = null;
+    private JMenu menu = null;
+
+    public LabelDotTest() {
+        System.out.println("BEFORE CREATION");
+        JFrame frame = new JFrame();
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(new Dimension(50, 150));
+        frame.setLocationRelativeTo(null);
+
+        frame.setLayout(new GridBagLayout());
+        GridBagConstraints c = new GridBagConstraints();
+        c.fill = GridBagConstraints.BOTH;
+        c.weightx = 1.0;
+        c.weighty = 0.0;
+        c.gridwidth = GridBagConstraints.REMAINDER;
+
+        JMenuBar menuBar = new JMenuBar();
+        menu = new JMenu("Menu");
+        menuBar.add(menu);
+        frame.add(menuBar, c);
+
+        frame.add(new JLabel("Title", SwingConstants.CENTER), c);
+
+        c.weighty = 1.0;
+        frame.add(new JPanel(new GridBagLayout()), c);
+        c.weighty = 0.0;
+
+        label = new JLabel(shortText);
+        frame.add(label, c);
+
+        frame.setVisible(true);
+
+        new Thread(() -> IntStream.range(0, 10).forEach((i) -> {
+                if ( label.getText().equals(shortText) ) {
+                    label.setText(longText);
+                } else {
+                    label.setText(shortText);
+                }
+
+                /*
+                    For a top level menu item, minimum size and the preferred
+                    size should be the same, and should not be equal to 1
+                 */
+                if (menu.getMinimumSize().height == 1 &&
+                        !menu.getMinimumSize().equals(menu.getPreferredSize()))
+                    throw new RuntimeException("Size of Menu bar is not correct.");
+
+                try {
+                    Thread.sleep(1000);
+                }
+                catch( InterruptedException e ) { }
+
+                if (i >= 9)
+                    frame.dispose();
+            })
+        ).start();
+    }
+
+    public static void main(String[] args) throws Exception {
+        SwingUtilities.invokeAndWait(() -> new LabelDotTest());
+    }
+}