Test6930043.java revision 11707:ad7af1afda7a 
1/*
2 * Copyright (c) 2010, 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/**
26 * @test
27 * @bug 6930043
28 * @summary C2: SIGSEGV in javasoft.sqe.tests.lang.arr017.arr01702.arr01702.loop_forw(II)I
29 *
30 * @run main compiler.c2.Test6930043
31 */
32
33package compiler.c2;
34
35public class Test6930043 {
36    int[] a;
37    int idx;
38
39    public int loop_back(int i, int i_0_) {
40        int i_1_ = 0;
41        int[] is = a;
42        if (is == null) return 0;
43        for (int i_2_ = i; i_2_ >= i_0_; i_2_--)
44            i_1_ += is[idx = i_2_];
45        return i_1_;
46    }
47
48    public int loop_forw(int start, int end) {
49        int result = 0;
50        int[] is = a;
51        if (is == null) return 0;
52        for (int index = start; index < end; index++)
53            result += is[index];
54            // result += is[idx = index];
55        return result;
56    }
57
58    public static void main(String[] strings) {
59        Test6930043 var_Test6930043 = new Test6930043();
60        var_Test6930043.a = new int[1000000];
61        var_Test6930043.loop_forw(10, 999990);
62        var_Test6930043.loop_forw(10, 999990);
63        for (int i = 0; i < 3; i++) {
64            try {
65                if (var_Test6930043.loop_forw(-1, 999990) != 0) throw new InternalError();
66            } catch (ArrayIndexOutOfBoundsException e) { }
67        }
68        var_Test6930043.loop_back(999990, 10);
69        var_Test6930043.loop_back(999990, 10);
70        for (int i = 0; i < 3; i++) {
71            try {
72                if (var_Test6930043.loop_back(999990, -1) != 0) throw new InternalError();
73            } catch (ArrayIndexOutOfBoundsException e) { }
74        }
75    }
76}
77