1 files changed, 17 insertions, 8 deletions
diff --git a/node_modules/core-js/modules/es6.function.name.js b/node_modules/core-js/modules/es6.function.name.js
index 0f10fc11f..f824d86d2 100644
--- a/node_modules/core-js/modules/es6.function.name.js
+++ b/node_modules/core-js/modules/es6.function.name.js
@@ -1,16 +1,25 @@
-var setDesc    = require('./$').setDesc
-  , createDesc = require('./$.property-desc')
-  , has        = require('./$.has')
+var dP         = require('./_object-dp').f
+  , createDesc = require('./_property-desc')
+  , has        = require('./_has')
   , FProto     = Function.prototype
   , nameRE     = /^\s*function ([^ (]*)/
   , NAME       = 'name';
+
+var isExtensible = Object.isExtensible || function(){
+  return true;
+};
+
 // 19.2.4.2 name
-NAME in FProto || require('./$.descriptors') && setDesc(FProto, NAME, {
+NAME in FProto || require('./_descriptors') && dP(FProto, NAME, {
   configurable: true,
   get: function(){
-    var match = ('' + this).match(nameRE)
-      , name  = match ? match[1] : '';
-    has(this, NAME) || setDesc(this, NAME, createDesc(5, name));
-    return name;
+    try {
+      var that = this
+        , name = ('' + that).match(nameRE)[1];
+      has(that, NAME) || !isExtensible(that) || dP(that, NAME, createDesc(5, name));
+      return name;
+    } catch(e){
+      return '';
+    }
   }
 });
 \ No newline at end of file