Mercurial > hg > truffle
view test/compiler/6646019/Test.java @ 1095:7bfd295ec074
6908208: UseCompressedOops: array_size() returns incorrect size for MAX_INT object array following 6906727
Summary: In array_size() cast to an unsigned to avoid overflow of intermediate value.
Reviewed-by: kvn, tonyp, jmasa, jcoomes, coleenp
author | ysr |
---|---|
date | Tue, 08 Dec 2009 15:12:17 -0800 |
parents | f1ecf9191140 |
children | c18cbe5936b8 |
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/* * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. */ /* * @test * @bug 6646019 * @summary array subscript expressions become top() with -d64 * @run main/othervm -Xcomp -XX:CompileOnly=Test.test Test */ public class Test { final static int i = 2076285318; long l = 2; short s; public static void main(String[] args) { Test t = new Test(); try { t.test(); } catch (Throwable e) { if (t.l != 5) { System.out.println("Fails: " + t.l + " != 5"); } } } private void test() { l = 5; l = (new short[(byte)-2])[(byte)(l = i)]; } }