Install js intrinsic fallbacks for array functions on the native context.

src/array.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-var $arrayConcat;
-var $arrayPush;
-var $arrayPop;
-var $arrayShift;
-var $arraySlice;
-var $arraySplice;
-var $arrayUnshift;
-
 (function(global, utils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
 // -------------------------------------------------------------------
 // Imports
 
 var Delete;
@@ skipping 1665 matching lines @@
   "push", getFunction("push", ArrayPush),
   "shift", getFunction("shift", ArrayShift)
 ]);
 
 // -------------------------------------------------------------------
 // Exports
 
 utils.Export(function(to) {
   to.ArrayIndexOf = ArrayIndexOf;
   to.ArrayJoin = ArrayJoin;
+  to.ArrayPush = ArrayPush;
   to.ArrayToString = ArrayToString;
   to.InnerArrayEvery = InnerArrayEvery;
   to.InnerArrayFilter = InnerArrayFilter;
   to.InnerArrayForEach = InnerArrayForEach;
   to.InnerArrayIndexOf = InnerArrayIndexOf;
   to.InnerArrayJoin = InnerArrayJoin;
   to.InnerArrayLastIndexOf = InnerArrayLastIndexOf;
   to.InnerArrayMap = InnerArrayMap;
   to.InnerArrayReduce = InnerArrayReduce;
   to.InnerArrayReduceRight = InnerArrayReduceRight;
   to.InnerArraySome = InnerArraySome;
   to.InnerArraySort = InnerArraySort;
   to.InnerArrayToLocaleString = InnerArrayToLocaleString;
   to.PackedArrayReverse = PackedArrayReverse;
 });
 
-$arrayConcat = ArrayConcatJS;
-$arrayPush = ArrayPush;
-$arrayPop = ArrayPop;
-$arrayShift = ArrayShift;
-$arraySlice = ArraySlice;
-$arraySplice = ArraySplice;
-$arrayUnshift = ArrayUnshift;
+%InstallToContext([
+  "array_concat", ArrayConcatJS,
+  "array_pop", ArrayPop,
+  "array_push", ArrayPush,
+  "array_shift", ArrayShift,
+  "array_splice", ArraySplice,
+  "array_slice", ArraySlice,
+  "array_unshift", ArrayUnshift,
+]);
 
 });