--- /dev/null	2018-11-26 11:49:18.255023023 +0100
+++ new/test/hotspot/jtreg/gc/shenandoah/compiler/TestCommonGCLoads.java	2018-11-26 21:28:06.890133198 +0100
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2018, Red Hat, Inc. 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
+ * @summary Test GC state load commoning works
+ * @requires vm.flavor == "server"
+ * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:-TieredCompilation
+ *                   -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC
+ *                   -XX:-ShenandoahCommonGCStateLoads
+ *                   TestCommonGCLoads
+ * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:-TieredCompilation
+ *                   -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC
+ *                   -XX:+ShenandoahCommonGCStateLoads
+ *                   TestCommonGCLoads
+ */
+
+public class TestCommonGCLoads {
+
+    static Object d = new Object();
+
+    static Target t1 = new Target();
+    static Target t2 = new Target();
+    static Target t3 = new Target();
+    static Target t4 = new Target();
+    static Target t5 = new Target();
+
+    static void test() {
+        t1.field = d;
+        t2.field = d;
+        t3.field = d;
+        t4.field = d;
+        t5.field = d;
+    }
+
+    static public void main(String[] args) {
+        for (int i = 0; i < 100_000; i++) {
+            test();
+        }
+    }
+
+    static class Target {
+        Object field;
+    }
+}