Wrap runtime.js in a function.

src/harmony-typedarray.js

 // Copyright 2014 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.
 
 (function() {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 37 matching lines @@
     if (%IsSloppyModeFunction(mapfn)) receiver = UNDEFINED;
   } else if (!IS_UNDEFINED(receiver)) {
     needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver);
   }
 
   var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f);
   for (var i = 0; i < length; i++) {
     var element = this[i];
     // Prepare break slots for debugger step in.
     if (stepping) %DebugPrepareStepInIfStepping(f);
-    var new_receiver = needs_wrapper ? ToObject(receiver) : receiver;
+    var new_receiver = needs_wrapper ? $toObject(receiver) : receiver;
     %_CallFunction(new_receiver, TO_OBJECT_INLINE(element), i, this, f);
   }
 }
 
 // ES6 draft 08-24-14, section 22.2.2.2
 function NAMEOf() {  // length == 0
   var length = %_ArgumentsLength();
   var array = new this(length);
   for (var i = 0; i < length; i++) {
     array[i] = %_Arguments(i);
@@ skipping 14 matching lines @@
 
   // Set up non-enumerable functions on the prototype object.
   $installFunctions(GlobalNAME.prototype, DONT_ENUM, [
     "forEach", NAMEForEach
   ]);
 endmacro
 
 TYPED_ARRAYS(EXTEND_TYPED_ARRAY)
 
 })();