64 lines
2.1 KiB
Java
64 lines
2.1 KiB
Java
/*
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* Copyright (c) 2014, 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 8039043
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* @summary Null check is placed in a wrong place when storing a null to an object field on x64 with compressed oops off
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*
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* @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions
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* -XX:+TieredCompilation -XX:TieredStopAtLevel=1 -XX:-UseCompressedOops
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* -XX:CompileCommand=compileonly,compiler.codegen.C1NullCheckOfNullStore::test
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* compiler.codegen.C1NullCheckOfNullStore
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*/
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package compiler.codegen;
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public class C1NullCheckOfNullStore {
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private static class Foo {
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Object bar;
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}
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static private void test(Foo x) {
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x.bar = null;
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}
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static public void main(String args[]) {
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Foo x = new Foo();
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for (int i = 0; i < 10000; i++) {
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test(x);
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}
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boolean gotNPE = false;
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try {
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for (int i = 0; i < 10000; i++) {
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test(null);
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}
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} catch (NullPointerException e) {
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gotNPE = true;
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}
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if (!gotNPE) {
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throw new Error("Expecting a NullPointerException");
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}
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}
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}
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