| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8146416 |
| * @library /test/lib / |
| * |
| * @build sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -Xbatch -Xmx100m |
| * -XX:CompileCommand=exclude,compiler.uncommontrap.DeoptReallocFailure::main |
| * compiler.uncommontrap.DeoptReallocFailure |
| * |
| */ |
| |
| package compiler.uncommontrap; |
| |
| import sun.hotspot.WhiteBox; |
| |
| import java.lang.reflect.Method; |
| |
| public class DeoptReallocFailure { |
| static class MemoryChunk { |
| MemoryChunk other; |
| Object[][] array; |
| |
| MemoryChunk(MemoryChunk other) { |
| this.other = other; |
| array = new Object[1024 * 256][]; |
| } |
| } |
| |
| static class NoEscape { |
| long f1; |
| } |
| |
| static MemoryChunk root; |
| private static final WhiteBox WB = WhiteBox.getWhiteBox(); |
| |
| public static synchronized long test() { |
| NoEscape[] noEscape = new NoEscape[45]; |
| noEscape[0] = new NoEscape(); |
| for (int i=0;i<1024*256;i++) { |
| root.array[i]= new Object[45]; |
| } |
| return noEscape[0].f1; |
| } |
| |
| public static void main(String[] args) throws Throwable { |
| |
| //Exhaust Memory |
| root = null; |
| try { |
| while (true) { |
| root = new MemoryChunk(root); |
| } |
| } catch (OutOfMemoryError oom) { |
| } |
| |
| if (root == null) { |
| return; |
| } |
| |
| try { |
| NoEscape dummy = new NoEscape(); |
| Method m = DeoptReallocFailure.class.getMethod("test"); |
| WB.enqueueMethodForCompilation(m, 4); |
| test(); |
| } catch (OutOfMemoryError oom) { |
| root = null; |
| oom.printStackTrace(); |
| } |
| System.out.println("TEST PASSED"); |
| } |
| } |