Revert "fixed condext during construction of bound functions; now using native"

This reverts commit 8d6e33c2cf.

lib/nodes.js

@@ -7,17 +7,7 @@
     child.prototype = new ctor;
     child.__super__ = parent.prototype;
     return child;
-  }, __bind =     (Function.prototype.bind ? Function.prototype.call.bind(Function.prototype.bind) : function(fn, me){
-  	return function bound(){
-  		if (!(this instanceof bound))
-  			return fn.apply(me, arguments);
-  		var ctor = function(){};
-  		ctor.prototype = fn.prototype;
-  		var obj = new ctor();
-  		fn.apply(obj, arguments);
-  		return obj;
-  	};
-  }), __indexOf = Array.prototype.indexOf || function(item) {
+  }, __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; }, __indexOf = Array.prototype.indexOf || function(item) {
     for (var i = 0, l = this.length; i < l; i++) {
       if (this[i] === item) return i;
     }
@@ -2258,7 +2248,7 @@
   };
   UTILITIES = {
     "extends": 'function(child, parent) {\n  for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; }\n  function ctor() { this.constructor = child; }\n  ctor.prototype = parent.prototype;\n  child.prototype = new ctor;\n  child.__super__ = parent.prototype;\n  return child;\n}',
-    bind: '    (Function.prototype.bind ? Function.prototype.call.bind(Function.prototype.bind) : function(fn, me){\n	return function bound(){\n		if (!(this instanceof bound))\n			return fn.apply(me, arguments);\n		var ctor = function(){};\n		ctor.prototype = fn.prototype;\n		var obj = new ctor();\n		fn.apply(obj, arguments);\n		return obj;\n	};\n})',
+    bind: 'function(fn, me){ return function(){ return fn.apply(me, arguments); }; }',
     indexOf: 'Array.prototype.indexOf || function(item) {\n  for (var i = 0, l = this.length; i < l; i++) {\n    if (this[i] === item) return i;\n  }\n  return -1;\n}',
     hasProp: 'Object.prototype.hasOwnProperty',
     slice: 'Array.prototype.slice'

src/nodes.coffee

@@ -1769,17 +1769,7 @@ UTILITIES =
 
   # Create a function bound to the current value of "this".
   bind: '''
-    (Function.prototype.bind ? Function.prototype.call.bind(Function.prototype.bind) : function(fn, me){
-		return function bound(){
-			if (!(this instanceof bound))
-				return fn.apply(me, arguments);
-			var ctor = function(){};
-			ctor.prototype = fn.prototype;
-			var obj = new ctor();
-			fn.apply(obj, arguments);
-			return obj;
-		};
-	})
+    function(fn, me){ return function(){ return fn.apply(me, arguments); }; }
   '''
 
   # Discover if an item is in an array.

test/classes.coffee

@@ -431,12 +431,10 @@ test "`new` shouldn't add extra parens", ->
 
 
 test "`new` works against bare function", ->
-  nonceA = {}
-  nonceB = null
-  eq nonceA, new ->
-    eq (new => nonceB = this), nonceB
-    notEqual this, new => this
-    nonceA
+
+  eq Date, new ->
+    eq this, new => this
+    Date
 
 
 test "#1182: a subclass should be able to set its constructor to an external function", ->