--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/c2/Test6700047.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2008, 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 6700047
+ * @summary C2 failed in idom_no_update
+ *
+ * @run main compiler.c2.Test6700047
+ */
+
+package compiler.c2;
+
+public class Test6700047 {
+    static byte[] dummy = new byte[256];
+
+    public static void main(String[] args) {
+        for (int i = 0; i < 100000; i++) {
+            intToLeftPaddedAsciiBytes();
+        }
+    }
+
+    public static int intToLeftPaddedAsciiBytes() {
+        int offset = 40;
+        int q;
+        int r;
+        int         i   = 100;
+        int result = 1;
+        while (offset > 0) {
+            q = (i * 52429);
+            r = i;
+            offset--;
+            i = q;
+            if (i == 0) {
+                break;
+            }
+        }
+        if (offset > 0) {
+            for(int j = 0; j < offset; j++) {
+                result++;
+                dummy[i] = 0;
+            }
+        }
+        return result;
+    }
+}