Merge V8 5.2.361.47 DO NOT MERGE
https://chromium.googlesource.com/v8/v8/+/5.2.361.47
FPIIM-449
Change-Id: Ibec421b85a9b88cb3a432ada642e469fe7e78346
(cherry picked from commit bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8)
diff --git a/src/js/harmony-async-await.js b/src/js/harmony-async-await.js
new file mode 100644
index 0000000..c6705ef
--- /dev/null
+++ b/src/js/harmony-async-await.js
@@ -0,0 +1,43 @@
+// Copyright 2016 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();
+
+// -------------------------------------------------------------------
+// Imports
+
+var AsyncFunctionNext;
+var AsyncFunctionThrow;
+var PromiseReject;
+var PromiseResolve;
+var PromiseThen;
+
+utils.Import(function(from) {
+ AsyncFunctionNext = from.AsyncFunctionNext;
+ AsyncFunctionThrow = from.AsyncFunctionThrow;
+ PromiseReject = from.PromiseCreateRejected;
+ PromiseResolve = from.PromiseCreateResolved;
+ PromiseThen = from.PromiseThen;
+});
+
+// -------------------------------------------------------------------
+
+function AsyncFunctionAwait(generator, value) {
+ return %_Call(
+ PromiseThen, PromiseResolve(value),
+ function(sentValue) {
+ return %_Call(AsyncFunctionNext, generator, sentValue);
+ },
+ function(sentError) {
+ return %_Call(AsyncFunctionThrow, generator, sentError);
+ });
+}
+
+%InstallToContext([ "async_function_await", AsyncFunctionAwait ]);
+
+})