1 /*
   2  * Copyright (c) 2014, 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 8031752
  27  * @summary speculative traps need to be cleaned up at GC
  28  *
  29  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation
  30  *                   -XX:-UseOnStackReplacement -XX:-BackgroundCompilation

  31  *                   -XX:+UseTypeSpeculation -XX:TypeProfileLevel=222
  32  *                   -XX:CompileCommand=exclude,java.lang.reflect.Method::invoke
  33  *                   -XX:CompileCommand=exclude,sun.reflect.DelegatingMethodAccessorImpl::invoke
  34  *                   -Xmx512M
  35  *                   compiler.profiling.TestSpecTrapClassUnloading
  36  */
  37 
  38 package compiler.profiling;
  39 
  40 import java.lang.reflect.Method;
  41 
  42 public class TestSpecTrapClassUnloading {
  43     static class B {
  44         final public boolean m(Object o) {
  45             if (o.getClass() == B.class) {
  46                 return true;
  47             }
  48             return false;
  49         }
  50     }

   1 /*
   2  * Copyright (c) 2014, 2018, 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 8031752
  27  * @summary speculative traps need to be cleaned up at GC
  28  *
  29  * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation
  30  *                   -XX:-UseOnStackReplacement -XX:-BackgroundCompilation
  31  *                   -XX:CompileThreshold=10000
  32  *                   -XX:+UseTypeSpeculation -XX:TypeProfileLevel=222
  33  *                   -XX:CompileCommand=exclude,java.lang.reflect.Method::invoke
  34  *                   -XX:CompileCommand=exclude,sun.reflect.DelegatingMethodAccessorImpl::invoke
  35  *                   -Xmx512M
  36  *                   compiler.profiling.TestSpecTrapClassUnloading
  37  */
  38 
  39 package compiler.profiling;
  40 
  41 import java.lang.reflect.Method;
  42 
  43 public class TestSpecTrapClassUnloading {
  44     static class B {
  45         final public boolean m(Object o) {
  46             if (o.getClass() == B.class) {
  47                 return true;
  48             }
  49             return false;
  50         }
  51     }