--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/c2/Test6866651.java	Tue Jul 12 18:24:48 2016 +0300
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2009, 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 6866651
+ * @summary delay dead node elimination in set_req_X to prevent killing the current node when it is in use
+ *
+ * @run main compiler.c2.Test6866651
+ */
+
+package compiler.c2;
+
+public class Test6866651 {
+
+    static int sum() {
+        int s = 0;
+        for (int x = 1, y = 0; x != 0; x++, y--) {
+            s ^= y;
+        }
+        return s;
+    }
+
+    public static void main(final String[] args) {
+        for (int k = 0; k < 2; k++) {
+            System.err.println(String.valueOf(sum()));
+        }
+    }
+}