--- old/src/share/classes/java/util/AbstractCollection.java	2011-12-03 15:57:48.527389647 +0100
+++ new/src/share/classes/java/util/AbstractCollection.java	2011-12-03 15:57:48.387389658 +0100
@@ -170,6 +170,7 @@
      * @throws ArrayStoreException  {@inheritDoc}
      * @throws NullPointerException {@inheritDoc}
      */
+    @SuppressWarnings("unchecked")
     public <T> T[] toArray(T[] a) {
         // Estimate size of array; be prepared to see more or fewer elements
         int size = size();
@@ -208,6 +209,7 @@
      * @return array containing the elements in the given array, plus any
      *         further elements returned by the iterator, trimmed to size
      */
+    @SuppressWarnings("unchecked")
     private static <T> T[] finishToArray(T[] r, Iterator<?> it) {
         int i = r.length;
         while (it.hasNext()) {