1/*
2 * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 4057345 4120016 4120014
27 * @summary try-catch 2:  Verify that overzealous dead-code elimination no
28 * longer removes live code.
29 * @author dps
30 *
31 * @run clean DeadCode2
32 * @run compile -O DeadCode2.java
33 * @run main DeadCode2
34 */
35
36class cls
37{
38   int [] ai = null;
39}
40
41public class DeadCode2 extends cls
42{
43    int [] bi = null;
44
45    static int[] func()  {  return (int[])null; }
46
47    public static void main(String argv[]) {
48        int [] ci = null;
49        int m = 0;
50        int errcnt = 0;
51
52        try { int i = func()[m = 7]; }
53        catch(Exception e) {  System.out.println(e + " found "); errcnt++; }
54        try { DeadCode2 ox = new DeadCode2(); int i = ox.ai[m = 7]; }
55        catch(Exception e) {  System.out.println(e + " found "); errcnt++; }
56        try { DeadCode2 ox = new DeadCode2(); int i = ox.bi[m = 7]; }
57        catch(Exception e) {  System.out.println(e + " found "); errcnt++; }
58        try { int i = ci[m = 7]; }
59        catch(Exception e) {  System.out.println(e + " found "); errcnt++; }
60        try { int i = ((int[])null)[0]; }
61        catch(Exception e) {  System.out.println(e + " found "); errcnt++; }
62
63        if (errcnt != 5)
64            throw new RuntimeException("live code accidentally removed");
65    }
66}
67