--- /dev/null	2015-10-08 07:26:48.000000000 -1000
+++ new/test/compiler/jvmci/compilerToVM/IsMatureTest.java	2015-10-08 07:26:48.000000000 -1000
@@ -0,0 +1,76 @@
+/*
+ * 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 sun.hotspot.WhiteBox IsMatureTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ *                              jdk.vm.ci.hotspot.CompilerToVMHelper
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *     -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
+ *     compiler.jvmci.compilerToVM.IsMatureTest
+ */
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.common.testcases.SimpleClass;
+import jdk.vm.ci.hotspot.CompilerToVMHelper;
+import jdk.test.lib.Asserts;
+import sun.hotspot.WhiteBox;
+
+import java.lang.reflect.Executable;
+
+public class IsMatureTest {
+    private static final WhiteBox WB = WhiteBox.getWhiteBox();
+
+    public static void main(String[] args) throws Exception {
+        new IsMatureTest().test();
+    }
+
+    public void test() throws Exception {
+        SimpleClass sclass = new SimpleClass();
+        Executable method = SimpleClass.class.getDeclaredMethod("testMethod");
+        long metaspaceMethodData = WB.getMethodData(method);
+        Asserts.assertEQ(metaspaceMethodData, 0L, "MDO should be null for "
+                 + "never invoked method");
+        boolean isMature = CompilerToVMHelper.isMature(metaspaceMethodData);
+        Asserts.assertFalse(isMature, "null MDO can't be mature");
+        for (int i = 0; i < 1000; i++) {
+            sclass.testMethod();
+        }
+        // warmed up, mdo should be ready for now
+        metaspaceMethodData = WB.getMethodData(method);
+        Asserts.assertNE(metaspaceMethodData, 0L,
+                "MDO should be available after 1000 calls");
+        for (int i = 0; i < 100_000; i++) {
+            sclass.testMethod();
+        }
+        isMature = CompilerToVMHelper.isMature(metaspaceMethodData);
+        Asserts.assertTrue(isMature,
+                "a 100_000 times invoked method should be mature");
+    }
+}