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 8075921 27 * @summary control becomes top after arraycopy guards and confuses tighly coupled allocation logic 28 * 29 * @run main/othervm -Xcomp 30 * -XX:CompileCommand=compileonly,java.lang.System::arraycopy 31 * -XX:CompileCommand=compileonly,compiler.arraycopy.TestArrayCopyStoppedAfterGuards::test 32 * compiler.arraycopy.TestArrayCopyStoppedAfterGuards 33 * 34 */ 35 36 package compiler.arraycopy; 37 38 public class TestArrayCopyStoppedAfterGuards { 39 test()40 static void test() { 41 Object src = new Object(); 42 int[] dst = new int[10]; 43 System.arraycopy(src, 0, dst, 0, 10); 44 } 45 main(String[] args)46 static public void main(String[] args) { 47 // warmup 48 Object o = new Object(); 49 int[] src = new int[10]; 50 int[] dst = new int[10]; 51 System.arraycopy(src, 0, dst, 0, 10); 52 53 try { 54 test(); 55 } catch(ArrayStoreException ase) {} 56 } 57 } 58