--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/deopt/SynchronizedMethodDeoptimizationTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,54 @@
+/*
+ * 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.deopt;
+
+import org.junit.Assume;
+import org.junit.Test;
+
+import org.graalvm.compiler.core.test.GraalCompilerTest;
+import org.graalvm.compiler.core.test.ea.EATestBase.TestClassObject;
+
+/**
+ * In the following tests, we try to deoptimize out of synchronized methods.
+ */
+public class SynchronizedMethodDeoptimizationTest extends GraalCompilerTest {
+
+    public static final TestClassObject testObject = null;
+
+    public static synchronized Object testMethodSynchronized(Object o) {
+        if (o == null) {
+            // this branch will always deoptimize
+            return testObject.x;
+        }
+        return o;
+    }
+
+    @Test
+    public void test1() {
+        // https://bugs.openjdk.java.net/browse/JDK-8182755
+        Assume.assumeTrue(Java8OrEarlier);
+
+        test("testMethodSynchronized", "test");
+        test("testMethodSynchronized", (Object) null);
+    }
+}