| /* |
| * Copyright (c) 1999, 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 4057345 4120016 4120014 |
| * @summary final void function: Verify that overzealous dead-code elimination |
| * no longer removes live code. |
| * @author dps |
| * |
| * @run clean DeadCode3 |
| * @run compile -O DeadCode3.java |
| * @run main DeadCode3 |
| */ |
| |
| public class DeadCode3 |
| { |
| private final void fun1() { } |
| |
| private void fun2() { |
| DeadCode3 r1 = null; |
| fun1(); |
| |
| // we expect an NullPointerException because of this line |
| r1.fun1(); |
| } |
| |
| public static void main( String[] args ) { |
| try { |
| new DeadCode3() . fun2(); |
| // if we got past the constructor, then there must be a problem |
| throw new RuntimeException("accidental removal of live code"); |
| } catch (NullPointerException e) { |
| System.out.println("NullPointerException correctly thrown"); |
| e.printStackTrace(); |
| } |
| } |
| } |