diff -r c80f6ecb0bb3 -r 5f9eee6b383b hotspot/test/runtime/modules/AccessCheckJavaBase.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/modules/AccessCheckJavaBase.java	Thu Mar 17 19:04:01 2016 +0000
@@ -0,0 +1,58 @@
+/*
+ * 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
+ * @library /testlibrary /test/lib /compiler/whitebox ..
+ * @compile p2/c2.java
+ * @build sun.hotspot.WhiteBox
+ * @compile/module=java.base java/lang/reflect/ModuleHelper.java
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI AccessCheckJavaBase
+ */
+
+import java.lang.reflect.Module;
+import static jdk.test.lib.Asserts.*;
+
+public class AccessCheckJavaBase {
+
+    // Test that a class defined to module2 always can read java.base.
+    public static void main(String args[]) throws Throwable {
+        // Get the class loader for AccessCheckJavaBase and assume it's also used to
+        // load class p2.c2.
+        ClassLoader this_cldr = AccessCheckJavaBase.class.getClassLoader();
+
+        // Define a module for p2.
+        Object m2 = ModuleHelper.ModuleObject("module2", this_cldr, new String[] { "p2" });
+        assertNotNull(m2, "Module should not be null");
+        ModuleHelper.DefineModule(m2, "9.0", "m2/there", new String[] { "p2" });
+
+        // p2.c2 can read its superclass java.lang.Object defined within java.base
+        try {
+            Class p2_c2_class = Class.forName("p2.c2");
+        } catch (IllegalAccessError e) {
+            throw new RuntimeException("Test Failed" + e.getMessage());
+        }
+    }
+}