From c77650a17b320778cc6408a14792d2fa7b74e132 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luiz=20Am=C3=A9rico?= <camara_luiz@yahoo.com.br>
Date: Mon, 10 Dec 2018 22:29:53 -0300
Subject: [PATCH] Remove check for Symbol.toStringTag field mutations in
 baseGetTag (#4112) (#4113)

---
 .internal/baseGetTag.js | 26 ++------------------------
 1 file changed, 2 insertions(+), 24 deletions(-)

diff --git a/.internal/baseGetTag.js b/.internal/baseGetTag.js
index a344942cb..aed858735 100644
--- a/.internal/baseGetTag.js
+++ b/.internal/baseGetTag.js
@@ -1,7 +1,4 @@
-const objectProto = Object.prototype
-const hasOwnProperty = objectProto.hasOwnProperty
-const toString = objectProto.toString
-const symToStringTag = Symbol.toStringTag
+const toString = Object.prototype.toString
 
 /**
  * The base implementation of `getTag` without fallbacks for buggy environments.
@@ -14,26 +11,7 @@ function baseGetTag(value) {
   if (value == null) {
     return value === undefined ? '[object Undefined]' : '[object Null]'
   }
-  if (!(symToStringTag in Object(value))) {
-    return toString.call(value)
-  }
-  const isOwn = hasOwnProperty.call(value, symToStringTag)
-  const tag = value[symToStringTag]
-  let unmasked = false
-  try {
-    value[symToStringTag] = undefined
-    unmasked = true
-  } catch (e) {}
-
-  const result = toString.call(value)
-  if (unmasked) {
-    if (isOwn) {
-      value[symToStringTag] = tag
-    } else {
-      delete value[symToStringTag]
-    }
-  }
-  return result
+  return toString.call(value)  
 }
 
 export default baseGetTag