--- /dev/null	2015-10-08 07:26:41.000000000 -1000
+++ new/test/compiler/jvmci/compilerToVM/GetImplementorTest.java	2015-10-08 07:26:41.000000000 -1000
@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2015, 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 8136421
+ * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
+ * @library / /testlibrary /../../test/lib/
+ * @compile ../common/CompilerToVMHelper.java
+ * @build compiler.jvmci.compilerToVM.GetImplementorTest
+ * @run main ClassFileInstaller
+ *     jdk.vm.ci.hotspot.CompilerToVMHelper
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockExperimentalVMOptions
+ *     -XX:+EnableJVMCI compiler.jvmci.compilerToVM.GetImplementorTest
+ */
+
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.common.testcases.AbstractClass;
+import compiler.jvmci.common.testcases.AbstractClassExtender;
+import compiler.jvmci.common.testcases.DoNotImplementInterface;
+import compiler.jvmci.common.testcases.DoNotExtendClass;
+import compiler.jvmci.common.testcases.MultipleImplementer1;
+import compiler.jvmci.common.testcases.MultipleImplementer2;
+import compiler.jvmci.common.testcases.MultipleImplementersInterface;
+import compiler.jvmci.common.testcases.SingleImplementer;
+import compiler.jvmci.common.testcases.SingleImplementerInterface;
+import compiler.jvmci.common.testcases.SingleSubclass;
+import compiler.jvmci.common.testcases.SingleSubclassedClass;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.stream.Stream;
+import jdk.vm.ci.hotspot.CompilerToVMHelper;
+import jdk.vm.ci.hotspot.HotSpotResolvedObjectTypeImpl;
+import jdk.test.lib.Asserts;
+import jdk.test.lib.Utils;
+
+public class GetImplementorTest {
+    public static void main(String args[]) {
+        GetImplementorTest test = new GetImplementorTest();
+        for (TestCase tcase : createTestCases()) {
+            test.runTest(tcase);
+        }
+    }
+
+    private static Set<TestCase> createTestCases() {
+        Set<TestCase> result = new HashSet<>();
+        Stream.of(
+                    SingleSubclass.class,
+                    AbstractClassExtender.class,
+                    MultipleImplementer2.class,
+                    MultipleImplementer1.class,
+                    MultipleImplementersInterface.class,
+                    DoNotImplementInterface.class,
+                    DoNotExtendClass.class,
+                    AbstractClass.class,
+                    SingleSubclassedClass.class)
+                .forEach(Utils::ensureClassIsLoaded);
+        // an interface with single class implementing it
+        result.add(new TestCase(SingleImplementerInterface.class,
+                SingleImplementer.class));
+        /* an interface with multiple implementers. According to getImplementor
+           javadoc, an itself should be returned in case of more than one
+           implementor
+         */
+        result.add(new TestCase(MultipleImplementersInterface.class,
+                MultipleImplementersInterface.class));
+        // an interface with no implementors
+        result.add(new TestCase(DoNotImplementInterface.class, null));
+        // an abstract class with extender class
+        result.add(new TestCase(AbstractClass.class, null));
+        // a simple class, which is not extended
+        result.add(new TestCase(DoNotExtendClass.class, null));
+        // a usual class, which is extended
+        result.add(new TestCase(SingleSubclassedClass.class, null));
+        return result;
+    }
+
+    private void runTest(TestCase tcase) {
+        System.out.println(tcase);
+        HotSpotResolvedObjectTypeImpl resolvedIface = CompilerToVMHelper
+                .lookupType(Utils.toJVMTypeSignature(tcase.anInterface),
+                        getClass(), /* resolve = */ true);
+        HotSpotResolvedObjectTypeImpl resolvedImplementer = CompilerToVMHelper
+                .getImplementor(resolvedIface);
+        HotSpotResolvedObjectTypeImpl resolvedExpected = null;
+        if (tcase.expectedImplementer != null) {
+            resolvedExpected = CompilerToVMHelper.lookupType(Utils
+                    .toJVMTypeSignature(tcase.expectedImplementer),
+                    getClass(), /* resolve = */ true);
+        }
+        Asserts.assertEQ(resolvedImplementer, resolvedExpected,
+                "Unexpected implementer for " + tcase.anInterface.getName());
+    }
+
+    private static class TestCase {
+        public final Class<?> anInterface;
+        public final Class<?> expectedImplementer;
+
+        public TestCase(Class<?> iface, Class<?> expectedImplementer) {
+            this.anInterface = iface;
+            this.expectedImplementer = expectedImplementer;
+        }
+
+        @Override
+        public String toString() {
+            return String.format("CASE: interface=%s, expected=%s",
+                    anInterface.getName(),
+                    expectedImplementer == null
+                            ? null
+                            : expectedImplementer.getName());
+        }
+    }
+}