Mercurial > hg > graal-compiler
view test/compiler/6795362/Test6795362.java @ 6142:121e5708ae96
7169782: C2: SIGSEGV in LShiftLNode::Ideal(PhaseGVN*, bool)
Summary: keep intermediate node alive till the end of the graph construction using dummy hook node trick
Reviewed-by: kvn, twisti
Contributed-by: vladimir.x.ivanov@oracle.com
author | kvn |
---|---|
date | Tue, 12 Jun 2012 09:47:23 -0700 |
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 6795362 * @summary 32bit server compiler leads to wrong results on solaris-x86 * * @run main/othervm -Xcomp -XX:CompileOnly=Test6795362.sub Test6795362 */ public class Test6795362 { public static void main(String[] args) { sub(); if (var_bad != 0) throw new InternalError(var_bad + " != 0"); } static long var_bad = -1L; static void sub() { var_bad >>= 65; var_bad /= 65; } }