Adding %_NewObject intrinsic

src/js/promise.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.
 
 (function(global, utils, extrasUtils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 43 matching lines @@
   return {
     __proto__: null,
     resolve: resolve,
     reject: reject
   };
 }
 
 
 var GlobalPromise = function Promise(resolver) {
   if (resolver === promiseRawSymbol) {
-    return %NewObject(GlobalPromise, new.target);
+    return %_NewObject(GlobalPromise, new.target);
   }
   if (IS_UNDEFINED(new.target)) throw MakeTypeError(kNotAPromise, this);
   if (!IS_CALLABLE(resolver))
     throw MakeTypeError(kResolverNotAFunction, resolver);
 
-  var promise = PromiseInit(%NewObject(GlobalPromise, new.target));
+  var promise = PromiseInit(%_NewObject(GlobalPromise, new.target));
   var callbacks = CreateResolvingFunctions(promise);
 
   try {
     %DebugPushPromise(promise, Promise);
     resolver(callbacks.resolve, callbacks.reject);
   } catch (e) {
     %_Call(callbacks.reject, UNDEFINED, e);
   } finally {
     %DebugPopPromise();
   }
@@ skipping 391 matching lines @@
 [PromiseChain, PromiseDeferred, PromiseResolved].forEach(
     fn => %FunctionRemovePrototype(fn));
 
 utils.Export(function(to) {
   to.PromiseChain = PromiseChain;
   to.PromiseDeferred = PromiseDeferred;
   to.PromiseResolved = PromiseResolved;
 });
 
 })