--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/arrays/UndefinedArrayFilter.java	Wed Jul 05 20:02:40 2017 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/arrays/UndefinedArrayFilter.java	Fri Sep 26 18:47:20 2014 +0200
@@ -26,7 +26,6 @@
 package jdk.nashorn.internal.runtime.arrays;
 
 import static jdk.nashorn.internal.runtime.ScriptRuntime.UNDEFINED;
-
 import java.lang.reflect.Array;
 import jdk.nashorn.internal.runtime.BitVector;
 import jdk.nashorn.internal.runtime.UnwarrantedOptimismException;
@@ -41,7 +40,7 @@
     UndefinedArrayFilter(final ArrayData underlying) {
         super(underlying);
 
-        this.undefined = new BitVector(underlying.length());
+        this.undefined = new BitVector(underlying.length);
     }
 
     @Override
@@ -81,25 +80,25 @@
     @Override
     public void shiftLeft(final int by) {
         super.shiftLeft(by);
-        undefined.shiftLeft(by, length());
+        undefined.shiftLeft(by, length);
     }
 
     @Override
     public ArrayData shiftRight(final int by) {
         super.shiftRight(by);
-        undefined.shiftRight(by, length());
+        undefined.shiftRight(by, length);
 
         return this;
     }
 
     @Override
     public ArrayData ensure(final long safeIndex) {
-        if (safeIndex >= SparseArrayData.MAX_DENSE_LENGTH && safeIndex >= length()) {
+        if (safeIndex >= SparseArrayData.MAX_DENSE_LENGTH && safeIndex >= length) {
             return new SparseArrayData(this, safeIndex + 1);
         }
 
         super.ensure(safeIndex);
-        undefined.resize(length());
+        undefined.resize(length);
 
         return this;
     }
@@ -107,7 +106,7 @@
     @Override
     public ArrayData shrink(final long newLength) {
         super.shrink(newLength);
-        undefined.resize(length());
+        undefined.resize(length);
 
         return this;
     }
@@ -217,7 +216,7 @@
 
     @Override
     public Object pop() {
-        final long index = length() - 1;
+        final long index = length - 1;
 
         if (super.has((int)index)) {
             final boolean isUndefined = undefined.isSet(index);
@@ -234,7 +233,7 @@
         final ArrayData newArray = underlying.slice(from, to);
         final UndefinedArrayFilter newFilter = new UndefinedArrayFilter(newArray);
         newFilter.getUndefined().copy(undefined);
-        newFilter.getUndefined().shiftLeft(from, newFilter.length());
+        newFilter.getUndefined().shiftLeft(from, newFilter.length);
 
         return newFilter;
     }