--- jsr166/src/jsr166e/DoubleMaxUpdater.java	2013/01/07 07:14:01	1.8
+++ jsr166/src/jsr166e/DoubleMaxUpdater.java	2014/05/05 01:57:35	1.11
@@ -57,13 +57,13 @@ public class DoubleMaxUpdater extends St
      */
     public void update(double x) {
         long lx = Double.doubleToRawLongBits(x);
-        Cell[] as; long b, v; HashCode hc; Cell a; int n;
+        Cell[] as; long b, v; int[] hc; Cell a; int n;
         if ((as = cells) != null ||
             (Double.longBitsToDouble(b = base) < x && !casBase(b, lx))) {
             boolean uncontended = true;
-            int h = (hc = threadHashCode.get()).code;
-            if (as == null || (n = as.length) < 1 ||
-                (a = as[(n - 1) & h]) == null ||
+            if ((hc = threadHashCode.get()) == null ||
+                as == null || (n = as.length) < 1 ||
+                (a = as[(n - 1) & hc[0]]) == null ||
                 (Double.longBitsToDouble(v = a.value) < x &&
                  !(uncontended = a.cas(v, lx))))
                 retryUpdate(lx, hc, uncontended);
@@ -72,7 +72,7 @@ public class DoubleMaxUpdater extends St
 
     /**
      * Returns the current maximum.  The returned value is
-     * <em>NOT</em> an atomic snapshot: invocation in the absence of
+     * <em>NOT</em> an atomic snapshot; invocation in the absence of
      * concurrent updates returns an accurate result, but concurrent
      * updates that occur while the value is being calculated might
      * not be incorporated.