1 files changed, 9 insertions, 7 deletions
diff --git a/node_modules/core-js/modules/es6.map.js b/node_modules/core-js/modules/es6.map.js
index a166430fc..a282f0222 100644
--- a/node_modules/core-js/modules/es6.map.js
+++ b/node_modules/core-js/modules/es6.map.js
@@ -1,17 +1,19 @@
 'use strict';
 var strong = require('./_collection-strong');
+var validate = require('./_validate-collection');
+var MAP = 'Map';
 
 // 23.1 Map Objects
-module.exports = require('./_collection')('Map', function(get){
-  return function Map(){ return get(this, arguments.length > 0 ? arguments[0] : undefined); };
+module.exports = require('./_collection')(MAP, function (get) {
+  return function Map() { return get(this, arguments.length > 0 ? arguments[0] : undefined); };
 }, {
   // 23.1.3.6 Map.prototype.get(key)
-  get: function get(key){
-    var entry = strong.getEntry(this, key);
+  get: function get(key) {
+    var entry = strong.getEntry(validate(this, MAP), key);
     return entry && entry.v;
   },
   // 23.1.3.9 Map.prototype.set(key, value)
-  set: function set(key, value){
-    return strong.def(this, key === 0 ? 0 : key, value);
+  set: function set(key, value) {
+    return strong.def(validate(this, MAP), key === 0 ? 0 : key, value);
   }
-}, strong, true);
-\ No newline at end of file
+}, strong, true);