hotspot/test/compiler/7090976/Test7090976.java
author roland
Wed, 01 Feb 2012 10:36:58 +0100
changeset 11635 5a16856f871f
permissions -rw-r--r--
7090976: Eclipse/CDT causes a JVM crash while indexing C++ code Summary: too optimistic inlining decision confuses local value numbering. Reviewed-by: never
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/*
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 * Copyright (c) 2012, 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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/**
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 * @test
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 * @bug 7090976
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 * @summary Eclipse/CDT causes a JVM crash while indexing C++ code
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 *
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 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement Test7090976
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 */
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public class Test7090976 {
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    static interface I1 {
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        public void m1();
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    };
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    static interface I2 {
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        public void m2();
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    };
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    static interface I extends I1,I2 {
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    }
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    static class A implements I1 {
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        int v = 0;
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        int v2;
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        public void m1() {
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            v2 = v;
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        }
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    }
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    static class B implements I2 {
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        Object v = new Object();
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        Object v2;
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        public void m2() {
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            v2 = v;
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        }
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    }
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    private void test(A a)
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    {
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        if (a instanceof I) {
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            I i = (I)a;
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            i.m1();
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            i.m2();
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        }
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    }
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    public static void main(String[] args)
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    {
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        Test7090976 t = new Test7090976();
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        A a = new A();
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        B b = new B();
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        for (int i = 0; i < 10000; i++) {
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            t.test(a);
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        }
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    }
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}