| /* | |
| * 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 try-catch 1: Verify that overzealous dead-code elimination no | |
| * longer removes live code. | |
| * @author dps | |
| * | |
| * @run clean DeadCode1 | |
| * @run compile -O DeadCode1.java | |
| * @run main DeadCode1 | |
| */ | |
| public class DeadCode1 | |
| { | |
| public static int test() { | |
| Object[] arrayref = null; | |
| try { | |
| Object obj = arrayref[0]; | |
| return 2; | |
| } catch (NullPointerException e) { | |
| return 0; | |
| } | |
| } | |
| public static void main(String[] args) { | |
| int ret = test(); | |
| if (ret == 2) | |
| throw new RuntimeException("test() = 2; accidental removal of live code"); | |
| else | |
| System.out.println("correct dead-code elimination"); | |
| } | |
| } |