| /* |
| * 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 4057345 4120016 4120014 |
| * @summary try-catch 2: Verify that overzealous dead-code elimination no |
| * longer removes live code. |
| * @author dps |
| * |
| * @run clean DeadCode2 |
| * @run compile -O DeadCode2.java |
| * @run main DeadCode2 |
| */ |
| |
| class cls |
| { |
| int [] ai = null; |
| } |
| |
| public class DeadCode2 extends cls |
| { |
| int [] bi = null; |
| |
| static int[] func() { return (int[])null; } |
| |
| public static void main(String argv[]) { |
| int [] ci = null; |
| int m = 0; |
| int errcnt = 0; |
| |
| try { int i = func()[m = 7]; } |
| catch(Exception e) { System.out.println(e + " found "); errcnt++; } |
| try { DeadCode2 ox = new DeadCode2(); int i = ox.ai[m = 7]; } |
| catch(Exception e) { System.out.println(e + " found "); errcnt++; } |
| try { DeadCode2 ox = new DeadCode2(); int i = ox.bi[m = 7]; } |
| catch(Exception e) { System.out.println(e + " found "); errcnt++; } |
| try { int i = ci[m = 7]; } |
| catch(Exception e) { System.out.println(e + " found "); errcnt++; } |
| try { int i = ((int[])null)[0]; } |
| catch(Exception e) { System.out.println(e + " found "); errcnt++; } |
| |
| if (errcnt != 5) |
| throw new RuntimeException("live code accidentally removed"); |
| } |
| } |