duke@1: /*
ohair@554:  * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
duke@1:  * published by the Free Software Foundation.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
ohair@554:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554:  * or visit www.oracle.com if you need additional information or have any
ohair@554:  * questions.
duke@1:  */
duke@1: 
duke@1: /*
duke@1:  * @test
duke@1:  * @bug 4057345 4120016 4120014
duke@1:  * @summary try-catch 2:  Verify that overzealous dead-code elimination no
duke@1:  * longer removes live code.
duke@1:  * @author dps
duke@1:  *
duke@1:  * @run clean DeadCode2
duke@1:  * @run compile -O DeadCode2.java
duke@1:  * @run main DeadCode2
duke@1:  */
duke@1: 
duke@1: class cls
duke@1: {
duke@1:    int [] ai = null;
duke@1: }
duke@1: 
duke@1: public class DeadCode2 extends cls
duke@1: {
duke@1:     int [] bi = null;
duke@1: 
duke@1:     static int[] func()  {  return (int[])null; }
duke@1: 
duke@1:     public static void main(String argv[]) {
duke@1:         int [] ci = null;
duke@1:         int m = 0;
duke@1:         int errcnt = 0;
duke@1: 
duke@1:         try { int i = func()[m = 7]; }
duke@1:         catch(Exception e) {  System.out.println(e + " found "); errcnt++; }
duke@1:         try { DeadCode2 ox = new DeadCode2(); int i = ox.ai[m = 7]; }
duke@1:         catch(Exception e) {  System.out.println(e + " found "); errcnt++; }
duke@1:         try { DeadCode2 ox = new DeadCode2(); int i = ox.bi[m = 7]; }
duke@1:         catch(Exception e) {  System.out.println(e + " found "); errcnt++; }
duke@1:         try { int i = ci[m = 7]; }
duke@1:         catch(Exception e) {  System.out.println(e + " found "); errcnt++; }
duke@1:         try { int i = ((int[])null)[0]; }
duke@1:         catch(Exception e) {  System.out.println(e + " found "); errcnt++; }
duke@1: 
duke@1:         if (errcnt != 5)
duke@1:             throw new RuntimeException("live code accidentally removed");
duke@1:     }
duke@1: }