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 }