diff -r e23e560afbcb -r d322bf161e31 test/hotspot/jtreg/compiler/loopopts/TestCMovWithOpaque.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/loopopts/TestCMovWithOpaque.java	Thu Sep 26 09:16:08 2019 +0200
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2019, 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 8231223
+ * @summary Test conditional move optimization encountering an Opaque4Node.
+ * @run main/othervm -Xbatch -XX:-TieredCompilation
+ *                   -XX:CompileCommand=inline,compiler.loopopts.TestCMovWithOpaque::test
+ *                   compiler.loopopts.TestCMovWithOpaque
+ */
+
+package compiler.loopopts;
+
+public class TestCMovWithOpaque {
+
+    public static void test(int array[]) {
+        for (int i = 1; i < 8; i += 3) {
+            for (int j = 0; j < 4; ++j) {
+                switch (i % 4) {
+                case 0:
+                    break;
+                case 1:
+                    break;
+                case 2:
+                    break;
+                case 3:
+                    array[j] += 42;
+                    break;
+                }
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+        int[] array = new int[4];
+        for (int i = 0; i < 20_000; ++i) {
+            test(array);
+        }
+    }
+}