- Fixed clear() method that wasn't setting the very last heap element to null,

as reported at http://nagoya.apache.org/bugzilla/show_bug.cgi?id=9454.
PR: 9454
Obtained from:
Submitted by:
Reviewed by:


git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@149767 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/lucene/util/PriorityQueue.java

@@ -120,7 +120,7 @@ public abstract class PriorityQueue {
 
   /** Removes all entries from the PriorityQueue. */
   public final void clear() {
-    for (int i = 0; i < size; i++)
+    for (int i = 0; i <= size; i++)
       heap[i] = null;
     size = 0;
   }