--- jsr166/src/main/java/util/ArrayDeque.java	2016/10/23 00:28:41	1.83
+++ jsr166/src/main/java/util/ArrayDeque.java	2016/10/23 19:30:54	1.85
@@ -187,11 +187,11 @@ public class ArrayDeque<E> extends Abstr
         Object[] elements = c.toArray();
         // defend against c.toArray (incorrectly) not returning Object[]
         // (see e.g. https://bugs.openjdk.java.net/browse/JDK-6260652)
+        size = elements.length;
         if (elements.getClass() != Object[].class)
             elements = Arrays.copyOf(elements, size, Object[].class);
         for (Object obj : elements)
             Objects.requireNonNull(obj);
-        size = elements.length;
         this.elements = elements;
     }
 
@@ -365,10 +365,10 @@ public class ArrayDeque<E> extends Abstr
      */
     public E removeFirst() {
         // checkInvariants();
-        E x = pollFirst();
-        if (x == null)
+        E e = pollFirst();
+        if (e == null)
             throw new NoSuchElementException();
-        return x;
+        return e;
     }
 
     /**
@@ -376,10 +376,10 @@ public class ArrayDeque<E> extends Abstr
      */
     public E removeLast() {
         // checkInvariants();
-        E x = pollLast();
-        if (x == null)
+        E e = pollLast();
+        if (e == null)
             throw new NoSuchElementException();
-        return x;
+        return e;
     }
 
     public E pollFirst() {