--- old/src/share/classes/java/util/DoubleSummaryStatistics.java	2013-12-26 16:15:45.000000000 -0800
+++ new/src/share/classes/java/util/DoubleSummaryStatistics.java	2013-12-26 16:15:45.000000000 -0800
@@ -64,6 +64,7 @@
     private long count;
     private double sum;
     private double sumCompensation; // Low order bits of sum
+    private double simpleSum; // Used to compute right sum for non-finite inputs
     private double min = Double.POSITIVE_INFINITY;
     private double max = Double.NEGATIVE_INFINITY;
 
@@ -82,6 +83,7 @@
     @Override
     public void accept(double value) {
         ++count;
+        simpleSum += value;
         sumWithCompensation(value);
         min = Math.min(min, value);
         max = Math.max(max, value);
@@ -96,6 +98,7 @@
      */
     public void combine(DoubleSummaryStatistics other) {
         count += other.count;
+        simpleSum += other.simpleSum;
         sumWithCompensation(other.sum);
         sumWithCompensation(other.sumCompensation);
         min = Math.min(min, other.min);
@@ -147,7 +150,15 @@
      */
     public final double getSum() {
         // Better error bounds to add both terms as the final sum
-        return sum + sumCompensation;
+        double tmp =  sum + sumCompensation;
+        if (Double.isNaN(tmp) && Double.isInfinite(simpleSum))
+            // If the compensated sum is spuriously NaN from
+            // accumulating one or more same-signed infinite values,
+            // return the correctly-signed infinity stored in
+            // simpleSum.
+            return simpleSum;
+        else
+            return tmp;
     }
 
     /**