79 lines
2.2 KiB
Java
79 lines
2.2 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 8011646
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* @summary SEGV in compiled code with loop predication
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*
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* @run main/othervm -XX:-TieredCompilation
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* -XX:CompileCommand=compileonly,java.lang.Object::hashCode
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* -XX:CompileCommand=compileonly,compiler.intrinsics.object.TestHashCode::m1
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* compiler.intrinsics.object.TestHashCode
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*/
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package compiler.intrinsics.object;
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public class TestHashCode {
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static class A {
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int i;
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}
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static class B extends A {
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}
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static boolean crash = false;
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static A m2() {
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if (crash) {
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return null;
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}
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return new A();
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}
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static int m1(A aa) {
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int res = 0;
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for (int i = 0; i < 10; i++) {
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A a = m2();
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int j = a.i;
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if (aa instanceof B) {
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}
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res += a.hashCode();
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}
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return res;
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}
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public static void main(String[] args) {
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A a = new A();
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for (int i = 0; i < 20000; i++) {
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m1(a);
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}
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crash = true;
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try {
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m1(a);
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} catch (NullPointerException e) {
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System.out.println("Test passed");
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}
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}
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}
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