[promises] Don't create resolving functions for PromiseCreate

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 206 matching lines @@
   } else {
     maybeResolveCallbacks.push(onResolve, deferred);
     GET_PRIVATE(promise, promiseRejectReactionsSymbol).push(onReject, deferred);
   }
 }
 
 function PromiseIdResolveHandler(x) { return x; }
 function PromiseIdRejectHandler(r) { %_ReThrow(r); }
 SET_PRIVATE(PromiseIdRejectHandler, promiseForwardingHandlerSymbol, true);
 
 function PromiseNopResolver() {}

[adamk, 2016/09/27 18:10:09]

Can this now be deleted?

 
 // -------------------------------------------------------------------
 // Define exported functions.
 
 // For bootstrapper.
 
 // ES#sec-ispromise IsPromise ( x )
 function IsPromise(x) {
   return IS_RECEIVER(x) && HAS_DEFINED_PRIVATE(x, promiseStateSymbol);
 }
 
 function PromiseCreate() {
-  return new GlobalPromise(PromiseNopResolver);
+  return PromiseInit(new GlobalPromise(promiseRawSymbol));
 }
 
 // ES#sec-promise-resolve-functions
 // Promise Resolve Functions, steps 6-13
 function ResolvePromise(promise, resolution) {
   if (resolution === promise) {
     return RejectPromise(promise,
                          %make_type_error(kPromiseCyclic, resolution),
                          true);
   }
@@ skipping 422 matching lines @@
   to.PromiseThen = PromiseThen;
 
   to.GlobalPromise = GlobalPromise;
   to.NewPromiseCapability = NewPromiseCapability;
   to.PerformPromiseThen = PerformPromiseThen;
   to.ResolvePromise = ResolvePromise;
   to.RejectPromise = RejectPromise;
 });
 
 })