--- /dev/null	2015-01-07 11:20:33.000000000 -0500
+++ new/test/runtime/Unsafe/Reallocate.java	2015-01-07 11:20:32.561014200 -0500
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2015, 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 8058897
+ * @library /testlibrary
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:MallocMaxTestWords=20m Reallocate
+ */
+
+import com.oracle.java.testlibrary.*;
+import sun.misc.Unsafe;
+import static com.oracle.java.testlibrary.Asserts.*;
+
+public class Reallocate {
+    public static void main(String args[]) throws Exception {
+        Unsafe unsafe = Utils.getUnsafe();
+
+        long address = unsafe.allocateMemory(1);
+        assertNotEquals(address, 0L);
+
+        // Make sure we reallocate correctly
+        unsafe.putByte(address, Byte.MAX_VALUE);
+        address = unsafe.reallocateMemory(address, 2);
+        assertNotEquals(address, 0L);
+        assertEquals(unsafe.getByte(address), Byte.MAX_VALUE);
+
+        // Reallocating with a 0 size should return a null pointer
+        address = unsafe.reallocateMemory(address, 0);
+        assertEquals(address, 0L);
+
+        // Reallocating with a null pointer should result in a normal allocation
+        address = unsafe.reallocateMemory(0L, 1);
+        assertNotEquals(address, 0L);
+        unsafe.putByte(address, Byte.MAX_VALUE);
+        assertEquals(unsafe.getByte(address), Byte.MAX_VALUE);
+
+        // Make sure we can throw an OOME when we fail to reallocate due to OOM
+        try {
+            unsafe.reallocateMemory(address, 20 * 1024 * 1024 * 8);
+        } catch (OutOfMemoryError e) {
+            // Expected
+            return;
+        }
+        throw new RuntimeException("Did not get expected OOM");
+    }
+}