potential fix for https://github.com/paulmillr/es6-shim/issues/301

git.diff

diff --git a/es6-shim.js b/es6-shim.js
index 37ab863..9eefbba 100644
--- a/es6-shim.js
+++ b/es6-shim.js
@@ -11,20 +11,22 @@
 // UMD (Universal Module Definition)
 // see https://github.com/umdjs/umd/blob/master/returnExports.js
 (function (root, factory) {
+  var global = (function() { return this; })();
+
   /*global define, module, exports */
   if (typeof define === 'function' && define.amd) {
     // AMD. Register as an anonymous module.
-    define(factory);
+    define(factory.bind(null, global));
   } else if (typeof exports === 'object') {
     // Node. Does not work with strict CommonJS, but
     // only CommonJS-like enviroments that support module.exports,
     // like Node.
-    module.exports = factory();
+    module.exports = factory(global);
   } else {
     // Browser globals (root is window)
-    root.returnExports = factory();
+    root.returnExports = factory(global);
   }
-}(this, function () {
+}(this, function (globals) {
   'use strict';
 
   var _apply = Function.call.bind(Function.apply);
@@ -125,11 +127,6 @@
     return String.prototype.startsWith && 'abc'.startsWith('a', Infinity) === false;
   }());
 
-  /*jshint evil: true */
-  var getGlobal = new Function('return this;');
-  /*jshint evil: false */
-
-  var globals = getGlobal();
   var globalIsFinite = globals.isFinite;
   var hasStrictMode = (function () { return this === null; }.call(null));
   var startsWithIsCompliant = startsWithRejectsRegex() && startsWithHandlesInfinity;