--- /dev/null	2017-08-03 13:42:08.516000218 -0400
+++ new/test/hotspot/jtreg/runtime/LoaderConstraints/vtableLdrConstraint/Test.java	2017-09-27 09:30:52.130021499 -0400
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2017, 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 8186092
+ * @compile ../common/Foo.java
+ *          ../common/J.java
+ *          I.java
+ *          ../common/C.jasm
+ *          Task.java
+ *          ../common/PreemptingClassLoader.java
+ * @run main/othervm Test
+ */
+
+public class Test {
+
+    // Test that the error message is correct when a loader constraint error is
+    // detected during vtable creation.
+    //
+    // In this test, during vtable creation for class Task, method "Task.m()LFoo;"
+    // overrides "J.m()LFoo;".  But, Task's class Foo and super type J's class Foo
+    // are different.  So, a LinkageError exception should be thrown because the
+    // loader constraint check will fail.
+    public static void main(String args[]) throws Exception {
+        Class<?> c = Foo.class; // forces standard class loader to load Foo
+        ClassLoader l = new PreemptingClassLoader("Task", "Foo", "I");
+        l.loadClass("Foo");
+        try {
+            l.loadClass("Task").newInstance();
+            throw new RuntimeException("Expected LinkageError exception not thrown");
+        } catch (LinkageError e) {
+            if (!e.getMessage().contains(
+                    "loader constraint violation for class Task: when resolving overriding method") ||
+                !e.getMessage().contains(
+                    "for its super type J have different Class objects for the type Foo")) {
+                throw new RuntimeException("Wrong LinkageError exception thrown: " + e.getMessage());
+            }
+        }
+    }
+
+}
+