test/hotspot/jtreg/compiler/runtime/Test6859338.java
author kvn
Wed, 08 Aug 2018 18:38:34 -0700
changeset 51341 09cc8813ae51
parent 47216 71c04702a3d5
permissions -rw-r--r--
8207965: C2-only debug build fails Reviewed-by: kvn, iignatyev Contributed-by: xxinliu@amazon.com
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/*
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 * Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**
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 * @test
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 * @bug 6859338
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 * @summary Assertion failure in sharedRuntime.cpp
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 *
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 * @requires vm.compiler1.enabled | !vm.graal.enabled
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 * @run main/othervm -Xcomp -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions
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 *      -XX:-InlineObjectHash -Xbatch -XX:-ProfileInterpreter
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 *      compiler.runtime.Test6859338
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 */
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package compiler.runtime;
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public class Test6859338 {
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    static Object[] o = new Object[] { new Object(), null };
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    public static void main(String[] args) {
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        int total = 0;
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        try {
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            // Exercise the implicit null check in the unverified entry point
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            for (int i = 0; i < 40000; i++) {
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                int limit = o.length;
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                if (i < 20000) limit = 1;
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                for (int j = 0; j < limit; j++) {
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                    total += o[j].hashCode();
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                }
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            }
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        } catch (NullPointerException e) {
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            // this is expected.  A true failure causes a crash
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        }
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    }
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}