deadcode6.java

来自「是一款用JAVA 编写的编译器 具有很强的编译功能」· Java 代码 · 共 62 行

/*
 * Copyright 1999 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/*
 * @test
 * @bug 4073244
 * @summary nested classes:  Verify that overzealous dead-code elimination no
 * longer removes live code.
 * @author dps
 *
 * @run clean DeadCode6
 * @run compile -O DeadCode6.java
 */

// This class will crash the compiler if the bug recurs.

import java.awt.*;
import java.awt.event.*;

public class DeadCode6 extends Window
{
    public DeadCode6( Frame parent ) {
	super( parent );
    }

    public void init() {
	final DeadCode6 wndThis = this;

	/*******************************************************************
	 * add window listener
	 ******************************************************************/
 	addWindowListener( new WindowAdapter () {
 	    public void windowClosing( WindowEvent evt ) {
 		wndThis.doCancelAction();
 	    }
 	} );
    }

    public void doCancelAction() { }
}