Fix adding data to pie, doughnut, and polar area charts

src/core/core.controller.js

@@ -250,18 +250,18 @@ module.exports = function(Chart) {
 			// Make sure dataset controllers are updated and new controllers are reset
 			var newControllers = this.buildOrUpdateControllers();
 
+			// Make sure all dataset controllers have correct meta data counts
+			helpers.each(this.data.datasets, function(dataset, datasetIndex) {
+				dataset.controller.buildOrUpdateElements();
+			});
+
 			Chart.layoutService.update(this, this.chart.width, this.chart.height);
 
 			// Can only reset the new controllers after the scales have been updated
 			helpers.each(newControllers, function(controller) {
 				controller.reset();
 			});
 
-			// Make sure all dataset controllers have correct meta data counts
-			helpers.each(this.data.datasets, function(dataset, datasetIndex) {
-				dataset.controller.buildOrUpdateElements();
-			});
-
 			// This will loop through any data and do the appropriate element update for the type
 			helpers.each(this.data.datasets, function(dataset, datasetIndex) {
 				dataset.controller.update();