--- old/test/java/lang/ref/ReferenceEnqueuePending.java	2016-02-01 18:34:40.799330818 -0500
+++ new/test/java/lang/ref/ReferenceEnqueuePending.java	2016-02-01 18:34:40.623329945 -0500
@@ -94,13 +94,21 @@
         }
 
         // Do a final collection to discover and process all
-        // Reference objects created above, allowing enough time
+        // Reference objects created above, allowing some time
         // for the ReferenceHandler thread to queue the References.
         forceGc(100);
         forceGc(100);
 
         // Verify that all WeakReference objects ended up queued.
-        checkResult(refQueue, obj, iterations-1);
+        checkResult(refQueue, iterations-1);
+
+        // Ensure the final weaky is live but won't be enqueued during
+        // result checking, by ensuring its referent remains live.
+        // This eliminates behavior changes resulting from different
+        // compiler optimizations.
+        Reference.reachabilityFence(weaky);
+        Reference.reachabilityFence(obj);
+
         System.out.println("Test passed.");
     }
 
@@ -113,7 +121,6 @@
     }
 
     private static void checkResult(ReferenceQueue<Integer> queue,
-                                    Integer obj,
                                     int expected) {
         if (debug) {
             System.out.println("Reading the queue");
@@ -133,8 +140,6 @@
         if (debug) {
             System.out.println("Reference Queue had " + length + " elements");
         }
-        // Use the last Reference object of those created above, so as to keep it "alive".
-        System.out.println("I must write " + obj + " to prevent compiler optimizations.");
 
 
         // verify the queued references: all but the last Reference object