From 17f69f3b0fa89a0b7a5cfb9a6546d1180a3610e0 Mon Sep 17 00:00:00 2001
From: Josh Goldberg <joshuakgoldberg@outlook.com>
Date: Wed, 3 Apr 2019 06:35:29 -0400
Subject: [PATCH] Added Symbol.toStringTag support to Promise (#1421)

* Added Symbol.toStringTag support to Promise

* Returned Object for Symbol.toStringTag
---
 src/promise.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/promise.js b/src/promise.js
index 10dc52a40..862cc52ad 100644
--- a/src/promise.js
+++ b/src/promise.js
@@ -754,6 +754,14 @@ Promise.prototype._settledValue = function() {
     // Implicit undefined for cancelled promise.
 };
 
+if (typeof Symbol !== "undefined" && Symbol.toStringTag) {
+    es5.defineProperty(Promise.prototype, Symbol.toStringTag, {
+        get: function () {
+            return "Object";
+        }
+    });
+}
+
 function deferResolve(v) {this.promise._resolveCallback(v);}
 function deferReject(v) {this.promise._rejectCallback(v, false);}