--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/arrays/LongArrayData.java	Wed Jul 05 20:15:13 2017 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/arrays/LongArrayData.java	Mon Jan 19 16:07:16 2015 +0100
@@ -27,6 +27,7 @@
 
 import static jdk.nashorn.internal.codegen.CompilerConstants.specialCall;
 import static jdk.nashorn.internal.lookup.Lookup.MH;
+
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
 import java.util.Arrays;
@@ -303,17 +304,6 @@
     }
 
     @Override
-    public final ArrayData push(final boolean strict, final long item) {
-        final long      len     = length();
-        final ArrayData newData = ensure(len);
-        if (newData == this) {
-            array[(int)len] = item;
-            return this;
-        }
-        return newData.set((int)len, item, strict);
-    }
-
-    @Override
     public ArrayData fastSplice(final int start, final int removed, final int added) throws UnsupportedOperationException {
         final long oldLength = length();
         final long newLength = oldLength - removed + added;