--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/stable/StableConfiguration.java	Mon Jul 14 03:25:40 2014 -0700
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2014, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+package java.lang.invoke;
+
+import java.lang.reflect.Method;
+import java.util.Properties;
+import sun.hotspot.WhiteBox;
+
+public class StableConfiguration {
+    static final WhiteBox WB = WhiteBox.getWhiteBox();
+    static final boolean isStableEnabled;
+    static final boolean isServerWithStable;
+
+    static {
+        Boolean value = WB.getBooleanVMFlag("FoldStableValues");
+        isStableEnabled = (value == null ? false : value);
+        isServerWithStable = isStableEnabled && get();
+        System.out.println("@Stable:         " + (isStableEnabled ? "enabled" : "disabled"));
+        System.out.println("Server Compiler: " + get());
+    }
+
+    // ::get() is among immediately compiled methods.
+    static boolean get() {
+        try {
+            Method m = StableConfiguration.class.getDeclaredMethod("get");
+            int level = WB.getMethodCompilationLevel(m);
+            if (level > 0) {
+              return (level == 4);
+            } else {
+              String javaVM = System.getProperty("java.vm.name", "");
+              if (javaVM.contains("Server")) return true;
+              if (javaVM.contains("Client")) return false;
+              throw new Error("Unknown VM type: "+javaVM);
+            }
+        } catch (NoSuchMethodException e) {
+            throw new Error(e);
+        }
+    }
+
+}