--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/defineAnonClass/DefineAnon.java	Wed Sep 07 07:19:48 2016 -0400
@@ -0,0 +1,134 @@
+/*
+ * 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 DefineAnon
+ * @bug 8058575
+ * @library /testlibrary
+ * @modules java.base/jdk.internal.org.objectweb.asm
+ *          java.management
+ * @compile -XDignore.symbol.file=true DefineAnon.java
+ * @run main/othervm p1.DefineAnon
+ */
+
+package p1;
+
+import jdk.internal.org.objectweb.asm.ClassWriter;
+import jdk.internal.org.objectweb.asm.MethodVisitor;
+import jdk.internal.org.objectweb.asm.Opcodes;
+import sun.misc.Unsafe;
+
+
+class T {
+    static           protected void test0() { System.out.println("test0 (public)"); }
+    static           protected void test1() { System.out.println("test1 (protected)"); }
+    static /*package-private*/ void test2() { System.out.println("test2 (package)"); }
+    static             private void test3() { System.out.println("test3 (private)"); }
+}
+
+public class DefineAnon {
+
+    private static Unsafe getUnsafe() {
+        try {
+            java.lang.reflect.Field singleoneInstanceField = Unsafe.class.getDeclaredField("theUnsafe");
+            singleoneInstanceField.setAccessible(true);
+            return (Unsafe) singleoneInstanceField.get(null);
+        } catch (Throwable ex) {
+            throw new RuntimeException("Was unable to get Unsafe instance.");
+        }
+    }
+
+    static Unsafe UNSAFE = DefineAnon.getUnsafe();
+
+    static Class<?> getAnonClass(Class<?> hostClass, final String className) {
+        final String superName = "java/lang/Object";
+        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS + ClassWriter.COMPUTE_FRAMES);
+        cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL + Opcodes.ACC_SUPER, className, null, superName, null);
+
+        MethodVisitor mv = cw.visitMethod(Opcodes.ACC_STATIC | Opcodes.ACC_PUBLIC, "test", "()V", null, null);
+        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "p1/T", "test0", "()V", false);
+        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "p1/T", "test1", "()V", false);
+        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "p1/T", "test2", "()V", false);
+        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "p1/T", "test3", "()V", false);
+        mv.visitInsn(Opcodes.RETURN);
+        mv.visitMaxs(0, 0);
+        mv.visitEnd();
+
+        final byte[] classBytes = cw.toByteArray();
+        Class<?> invokerClass = UNSAFE.defineAnonymousClass(hostClass, classBytes, new Object[0]);
+        UNSAFE.ensureClassInitialized(invokerClass);
+        return invokerClass;
+    }
+
+    public static void main(String[] args) throws Throwable {
+        Throwable fail = null;
+
+        // Anonymous class has the privileges of its host class, so test[0123] should all work.
+        System.out.println("Injecting from the same package (p1):");
+        Class<?> p1cls = getAnonClass(T.class, "p1/AnonClass");
+        try {
+            p1cls.getMethod("test").invoke(null);
+        } catch (Throwable ex) {
+            ex.printStackTrace();
+            fail = ex;  // throw this to make test fail, since subtest failed
+        }
+
+        // Anonymous class has different package name from host class.  Should throw
+        // IllegalArgumentException.
+        System.out.println("Injecting from the wrong package (p2):");
+        try {
+            Class<?> p2cls = getAnonClass(DefineAnon.class, "p2/AnonClass");
+            p2cls.getMethod("test").invoke(null);
+            System.out.println("Failed, did not get expected IllegalArgumentException");
+        } catch (java.lang.IllegalArgumentException e) {
+            if (e.getMessage().contains("Host class p1/DefineAnon and anonymous class p2/AnonClass")) {
+                System.out.println("Got expected IllegalArgumentException: " + e.getMessage());
+            } else {
+                throw new RuntimeException("Unexpected message: " + e.getMessage());
+            }
+        } catch (Throwable ex) {
+            ex.printStackTrace();
+            fail = ex;  // throw this to make test fail, since subtest failed
+        }
+
+        // Inject a class in the unnamed package into p1.T.  It should be able
+        // to access all methods in p1.T.
+        System.out.println("Injecting unnamed package into correct host class:");
+        try {
+            Class<?> p3cls = getAnonClass(T.class, "AnonClass");
+            p3cls.getMethod("test").invoke(null);
+        } catch (Throwable ex) {
+            ex.printStackTrace();
+            fail = ex;  // throw this to make test fail, since subtest failed
+        }
+
+        // Try using an array class as the host class.  This should throw IllegalArgumentException.
+        try {
+            Class<?> p3cls = getAnonClass(String[].class, "AnonClass");
+            throw new RuntimeException("Expected IllegalArgumentException not thrown");
+        } catch (IllegalArgumentException ex) {
+        }
+
+        if (fail != null) throw fail;  // make test fail, since subtest failed
+    }
+}