--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/IfReorderTest.java	2017-02-15 16:57:36.777011550 -0800
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2011, 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.
+ */
+package org.graalvm.compiler.core.test;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.Test;
+
+public class IfReorderTest extends GraalCompilerTest {
+
+    private static Object fieldA = Integer.class;
+    private static Object fieldB = Double.class;
+
+    @Test
+    public void test1() {
+        test("test1Snippet", new ArrayList<>());
+    }
+
+    public static Object test1Snippet(Object o) {
+        /*
+         * Serializable and List are not mutually exclusive, so these two IFs should never be
+         * reordered.
+         */
+        if (branchProbability(0.1, o instanceof Serializable)) {
+            return fieldA;
+        }
+        if (branchProbability(0.9, o instanceof List)) {
+            return fieldB;
+        }
+        return null;
+    }
+
+}