1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8075587 27 * @summary meet of 2 constant arrays result in bottom 28 * 29 * @run main/othervm compiler.types.TestMeetExactConstantArrays 30 */ 31 32 package compiler.types; 33 34 public class TestMeetExactConstantArrays { 35 public abstract static class NumbersHolder { 36 public Number[] getNumbers() { 37 return null; 38 } 39 } 40 41 public static class IntegersHolder extends NumbersHolder { 42 private final static Integer integers[] = { new Integer(1) }; 43 44 public Number[] getNumbers() { 45 return integers; 46 } 47 } 48 49 public static class LongsHolder extends NumbersHolder { 50 private final static Long longs[] = { new Long(1) }; 51 52 public Number[] getNumbers() { 53 return longs; 54 } 55 } 56 57 public static final void loopNumbers(NumbersHolder numbersHolder) { 58 Number[] numbers = numbersHolder.getNumbers(); 59 for (int i = 0; i < numbers.length; i++) { 60 numbers[i].longValue(); 61 } 62 } 63 64 public static void main(String[] args) throws Exception { 65 for (int i = 0; i < 10000; i++) { 66 IntegersHolder integersHolder = new IntegersHolder(); 67 LongsHolder longsHolder = new LongsHolder(); 68 loopNumbers(integersHolder); 69 loopNumbers(longsHolder); 70 } 71 } 72 }