1 /* 2 * Copyright (c) 2016, 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 8146416 27 * @library /test/lib / 28 * 29 * @build sun.hotspot.WhiteBox 30 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 31 * sun.hotspot.WhiteBox$WhiteBoxPermission 32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 33 * -XX:+WhiteBoxAPI -Xbatch -Xmx100m 34 * -XX:CompileCommand=exclude,compiler.uncommontrap.DeoptReallocFailure::main 35 * compiler.uncommontrap.DeoptReallocFailure 36 * 37 */ 38 39 package compiler.uncommontrap; 40 41 import sun.hotspot.WhiteBox; 42 43 import java.lang.reflect.Method; 44 45 public class DeoptReallocFailure { 46 static class MemoryChunk { 47 MemoryChunk other; 48 Object[][] array; 49 50 MemoryChunk(MemoryChunk other) { 51 this.other = other; 52 array = new Object[1024 * 256][]; 53 } 54 } 55 56 static class NoEscape { 57 long f1; 58 } 59 60 static MemoryChunk root; 61 private static final WhiteBox WB = WhiteBox.getWhiteBox(); 62 63 public static synchronized long test() { 64 NoEscape[] noEscape = new NoEscape[45]; 65 noEscape[0] = new NoEscape(); 66 for (int i=0;i<1024*256;i++) { 67 root.array[i]= new Object[45]; 68 } 69 return noEscape[0].f1; 70 } 71 72 public static void main(String[] args) throws Throwable { 73 74 //Exhaust Memory 75 root = null; 76 try { 77 while (true) { 78 root = new MemoryChunk(root); 79 } 80 } catch (OutOfMemoryError oom) { 81 } 82 83 if (root == null) { 84 return; 85 } 86 87 try { 88 NoEscape dummy = new NoEscape(); 89 Method m = DeoptReallocFailure.class.getMethod("test"); 90 WB.enqueueMethodForCompilation(m, 4); 91 test(); 92 } catch (OutOfMemoryError oom) { 93 root = null; 94 oom.printStackTrace(); 95 } 96 System.out.println("TEST PASSED"); 97 } 98 }