| Index: pkg/compiler/lib/src/js/js.dart | 
| diff --git a/pkg/compiler/lib/src/js/js.dart b/pkg/compiler/lib/src/js/js.dart | 
| index f9d2a66ba352e77d3348f005cc40cf15bb48e3bd..762fb5e9bc9262f8a230d5a30b3b8d8967381bfb 100644 | 
| --- a/pkg/compiler/lib/src/js/js.dart | 
| +++ b/pkg/compiler/lib/src/js/js.dart | 
| @@ -65,7 +65,7 @@ class Dart2JSJavaScriptPrintingContext implements JavaScriptPrintingContext { | 
|  | 
| @override | 
| void error(String message) { | 
| -    throw new SpannableAssertionFailure(NO_LOCATION_SPANNABLE, message); | 
| +    failedAt(NO_LOCATION_SPANNABLE, message); | 
| } | 
|  | 
| @override | 
|  |