hotspot/test/compiler/6795161/Test.java
author serb
Fri, 18 Apr 2014 20:10:39 +0400
changeset 24521 97047c850d31
parent 22234 da823d78ad65
permissions -rw-r--r--
8026252: [macosx] Change AWT_DEBUG_BUG_REPORT_MESSAGE for macosx platform Reviewed-by: azvegint, pchelko
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2029
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
     1
/*
22234
da823d78ad65 8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
mikael
parents: 15864
diff changeset
     2
 * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
2029
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
     4
 *
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
     7
 * published by the Free Software Foundation.
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
     8
 *
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    13
 * accompanied this code).
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    14
 *
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    18
 *
5547
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 2029
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 2029
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 2029
diff changeset
    21
 * questions.
2029
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    22
 *
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    23
 */
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    24
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    25
/*
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    26
 * @test
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    27
 * @bug 6795161
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    28
 * @summary Escape analysis leads to data corruption
15864
2757a5eae916 7115383: TEST_BUG: some jtreg tests fail because they explicitly specify -server option
collins
parents: 9129
diff changeset
    29
 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xcomp -XX:CompileOnly=Test -XX:+DoEscapeAnalysis Test
2029
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    30
 */
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    31
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    32
class Test_Class_1 {
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    33
    static String var_1;
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    34
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    35
    static void badFunc(int size)
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    36
    {
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    37
        try {
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    38
          for (int i = 0; i < 1; (new byte[size-i])[0] = 0, i++) {}
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    39
        } catch (Exception e) {
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    40
          // don't comment it out, it will lead to correct results ;)
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    41
          //System.out.println("Got exception: " + e);
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    42
        }
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    43
    }
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    44
}
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    45
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    46
public class Test {
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    47
    static String var_1_copy = Test_Class_1.var_1;
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    48
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    49
    static byte var_check;
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    50
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    51
    public static void main(String[] args)
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    52
    {
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    53
        var_check = 1;
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    54
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    55
        Test_Class_1.badFunc(-1);
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    56
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    57
        System.out.println("EATester.var_check = " + Test.var_check + " (expected 1)\n");
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    58
    }
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    59
}
4ba79339bc0c 6799693: Server compiler leads to data corruption when expression throws an Exception
kvn
parents:
diff changeset
    60