test/compiler/6795161/Test.java

Tue, 08 Aug 2017 15:57:29 +0800

author
aoqi
date
Tue, 08 Aug 2017 15:57:29 +0800
changeset 6876
710a3c8b516e
parent 6198
55fb97c4c58d
parent 0
f90c822e73f8
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 *
aoqi@0 23 */
aoqi@0 24
aoqi@0 25 /*
aoqi@0 26 * @test
aoqi@0 27 * @bug 6795161
aoqi@0 28 * @summary Escape analysis leads to data corruption
aoqi@0 29 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xcomp -XX:CompileOnly=Test -XX:+DoEscapeAnalysis Test
aoqi@0 30 */
aoqi@0 31
aoqi@0 32 class Test_Class_1 {
aoqi@0 33 static String var_1;
aoqi@0 34
aoqi@0 35 static void badFunc(int size)
aoqi@0 36 {
aoqi@0 37 try {
aoqi@0 38 for (int i = 0; i < 1; (new byte[size-i])[0] = 0, i++) {}
aoqi@0 39 } catch (Exception e) {
aoqi@0 40 // don't comment it out, it will lead to correct results ;)
aoqi@0 41 //System.out.println("Got exception: " + e);
aoqi@0 42 }
aoqi@0 43 }
aoqi@0 44 }
aoqi@0 45
aoqi@0 46 public class Test {
aoqi@0 47 static String var_1_copy = Test_Class_1.var_1;
aoqi@0 48
aoqi@0 49 static byte var_check;
aoqi@0 50
aoqi@0 51 public static void main(String[] args)
aoqi@0 52 {
aoqi@0 53 var_check = 1;
aoqi@0 54
aoqi@0 55 Test_Class_1.badFunc(-1);
aoqi@0 56
aoqi@0 57 System.out.println("EATester.var_check = " + Test.var_check + " (expected 1)\n");
aoqi@0 58 }
aoqi@0 59 }
aoqi@0 60

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