Mercurial > hg > truffle
view test/compiler/7029152/Test.java @ 3983:811ec3d0833b
7097053: G1: assert(da ? referent->is_oop() : referent->is_oop_or_null()) failed: referenceProcessor.cpp:1054
Summary: During remembered set scanning, the reference processor could discover a reference object whose referent was in the process of being copied and so may not be completely initialized. Do not perform reference discovery during remembered set scanning.
Reviewed-by: tonyp, ysr
author | johnc |
---|---|
date | Mon, 03 Oct 2011 12:49:53 -0700 |
parents | f9424955eb18 |
children |
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/* * Copyright (c) 2011, 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 7029152 * @summary Ideal nodes for String intrinsics miss memory edge optimization * * @run main/othervm -Xbatch Test */ public class Test { static final String str = "11111xx11111xx1x"; static int idx = 0; static int IndexOfTest(String str) { return str.indexOf("11111xx1x"); } public static void main(String args[]) { final int ITERS=2000000; for (int i=0; i<ITERS; i++) { idx = IndexOfTest(str); } System.out.println("IndexOf = " + idx); } }