--- /dev/null	2018-05-01 00:23:21.000000000 +0800
+++ new/test/jdk/java/lang/reflect/callerCache/ReflectionCallerCacheTest.java	2018-05-01 00:23:21.000000000 +0800
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 2018, 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 8202113
+ * @summary Test the caller class loader is not kept strongly reachable
+  *         by reflection API
+ * @library /test/lib/
+ * @build ReflectionCallerCacheTest Members jdk.test.lib.compiler.CompilerUtils
+ * @run testng/othervm ReflectionCallerCacheTest
+ */
+
+import java.io.IOException;
+import java.lang.ref.Cleaner;
+import java.lang.ref.WeakReference;
+import java.lang.reflect.*;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.concurrent.Callable;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.function.BooleanSupplier;
+
+import jdk.test.lib.compiler.CompilerUtils;
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+public class ReflectionCallerCacheTest {
+    private static final Path CLASSES = Paths.get("classes");
+    private static final ReflectionCallerCacheTest TEST = new ReflectionCallerCacheTest();
+
+    @BeforeTest
+    public void setup() throws IOException {
+        String src = System.getProperty("test.src", ".");
+        String classpath = System.getProperty("test.classes", ".");
+        boolean rc = CompilerUtils.compile(Paths.get(src, "AccessTest.java"), CLASSES, "-cp", classpath);
+        if (!rc) {
+            throw new RuntimeException("fail compilation");
+        }
+    }
+    @DataProvider(name = "memberAccess")
+    public Object[][] memberAccess() {
+        return new Object[][] {
+            { "AccessTest$PublicConstructor" },
+            { "AccessTest$PublicMethod" },
+            { "AccessTest$PublicField" },
+            { "AccessTest$ProtectedMethod" },
+            { "AccessTest$ProtectedField" },
+            { "AccessTest$PrivateMethod" },
+            { "AccessTest$PrivateField"}
+        };
+    }
+
+    // Keep the root of the reflective objects strongly reachable
+    private final Constructor<?> publicConstructor;
+    private final Method publicMethod;
+    private final Method protectedMethod;
+    private final Method privateMethod;
+    private final Field publicField;
+    private final Field protectedField;
+    private final Field privateField;
+
+    ReflectionCallerCacheTest() {
+        try {
+            this.publicConstructor = Members.class.getConstructor();
+            this.publicMethod = Members.class.getDeclaredMethod("publicMethod");
+            this.publicField = Members.class.getDeclaredField("publicField");
+            this.protectedMethod = Members.class.getDeclaredMethod("protectedMethod");
+            this.protectedField = Members.class.getDeclaredField("protectedField");
+            this.privateMethod = Members.class.getDeclaredMethod("privateMethod");
+            this.privateField = Members.class.getDeclaredField("privateField");
+        } catch (ReflectiveOperationException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Test(dataProvider = "memberAccess")
+    private void load(String classname) throws Exception {
+        WeakReference<?> weakLoader = loadAndRunClass(classname);
+
+        // Force garbage collection to trigger unloading of class loader
+        new ForceGC().await(() -> weakLoader.get() == null);
+
+        if (weakLoader.get() != null) {
+            throw new RuntimeException("Class " + classname + " not unloaded!");
+        }
+    }
+
+    private WeakReference<?> loadAndRunClass(String classname) throws Exception {
+        try (TestLoader loader = new TestLoader()) {
+            // Load member access class with custom class loader
+            Class<?> c = Class.forName(classname, true, loader);
+            // access the reflective member
+            Callable callable = (Callable) c.newInstance();
+            callable.call();
+            return new WeakReference<>(loader);
+        }
+    }
+
+    static class TestLoader extends URLClassLoader {
+        static URL[] toURLs() {
+            try {
+                return new URL[] { CLASSES.toUri().toURL() };
+            } catch (MalformedURLException e) {
+                throw new Error(e);
+            }
+        }
+
+        TestLoader() {
+            super("testloader", toURLs(), ClassLoader.getSystemClassLoader());
+        }
+    }
+
+    /**
+     * Utility class to invoke System.gc()
+     */
+    static class ForceGC {
+        private  final CountDownLatch cleanerInvoked = new CountDownLatch(1);
+        private  final Cleaner cleaner = Cleaner.create();
+
+        ForceGC() {
+            cleaner.register(new Object(), () -> cleanerInvoked.countDown());
+        }
+
+        void doit() {
+            try {
+                for (int i = 0; i < 10; i++) {
+                    System.gc();
+                    if (cleanerInvoked.await(1L, TimeUnit.SECONDS)) {
+                        return;
+                    }
+                }
+            } catch (InterruptedException unexpected) {
+                throw new AssertionError("unexpected InterruptedException");
+            }
+        }
+
+        void await(BooleanSupplier s) {
+            for (int i = 0; i < 10; i++) {
+                if (s.getAsBoolean()) return;
+                doit();
+            }
+            throw new AssertionError("failed to satisfy condition");
+        }
+    }
+}