removing obsolete error case.

backbone.js

@@ -173,9 +173,7 @@
     this.attributes = {};
     this._escapedAttributes = {};
     this.cid = _.uniqueId('c');
-    if (!this.set(attributes, {silent: true})) {
-      throw new Error("Can't create an invalid model");
-    }
+    this.set(attributes, {silent: true});
     delete this._changed;
     this._previousAttributes = _.clone(this.attributes);
     this.initialize.apply(this, arguments);

test/collection.js

@@ -59,34 +59,6 @@ $(document).ready(function() {
     equal(col.get(101), model);
   });
 
-  test("Collection: add model with attributes modified by set", function() {
-    var CustomSetModel = Backbone.Model.extend({
-      defaults: {
-        number_as_string: null //presence of defaults forces extend
-      },
-
-      validate: function (attributes) {
-        if (!_.isString(attributes.num_as_string)) {
-          return 'fail';
-        }
-      },
-
-      set: function (attributes, options) {
-        if (attributes.num_as_string) {
-          attributes.num_as_string = attributes.num_as_string.toString();
-        }
-        Backbone.Model.prototype.set.call(this, attributes, options);
-      }
-    });
-
-    var CustomSetCollection = Backbone.Collection.extend({
-      model: CustomSetModel
-    });
-    raises(function(){
-      new CustomSetCollection([{ num_as_string: 2 }]);
-    });
-  });
-
   test("Collection: update index when id changes", function() {
     var col = new Backbone.Collection();
     col.add([