Mercurial > hg > graal-compiler
view test/compiler/6795465/Test6795465.java @ 2320:41d4973cf100
6942326: x86 code in string_indexof() could read beyond reserved heap space
Summary: copy small (<8) strings on stack if str+16 crosses a page boundary and load from stack into XMM. Back up pointer when loading string's tail.
Reviewed-by: never
author | kvn |
---|---|
date | Sat, 26 Feb 2011 12:10:54 -0800 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /** * @test * @bug 6795465 * @summary Crash in assembler_sparc.cpp with client compiler on solaris-sparc * * @run main Test6795465 */ public class Test6795465 { static long var_1 = -1; void test() { long var_2 = var_1 * 1; var_2 = var_2 + (new byte[1])[0]; } public static void main(String[] args) { Test6795465 t = new Test6795465(); for (int i = 0; i < 200000; i++) { t.test(); } } }