59 lines
1.9 KiB
Java
59 lines
1.9 KiB
Java
/*
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* Copyright (c) 1999, 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 4057345 4120016 4120014
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* @summary final void function: Verify that overzealous dead-code elimination
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* no longer removes live code.
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* @author dps
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*
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* @run clean DeadCode3
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* @run compile -O DeadCode3.java
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* @run main DeadCode3
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*/
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public class DeadCode3
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{
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private final void fun1() { }
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private void fun2() {
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DeadCode3 r1 = null;
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fun1();
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// we expect an NullPointerException because of this line
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r1.fun1();
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}
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public static void main( String[] args ) {
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try {
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new DeadCode3() . fun2();
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// if we got past the constructor, then there must be a problem
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throw new RuntimeException("accidental removal of live code");
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} catch (NullPointerException e) {
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System.out.println("NullPointerException correctly thrown");
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e.printStackTrace();
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}
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}
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}
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