| Index: pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/errors.dart | 
| diff --git a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/errors.dart b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/errors.dart | 
| index dfaa87289a5dfd7627c916505da391177ec4472b..03ff5a095a84a77496973b7f0dbbfec613d6a86c 100644 | 
| --- a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/errors.dart | 
| +++ b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/errors.dart | 
| @@ -88,6 +88,11 @@ throwAssertionError([message]) => JS( | 
| $throw_(error); | 
| })()'''); | 
|  | 
| +throwCyclicInitializationError([String message]) { | 
| +  if (_trapRuntimeErrors) JS('', 'debugger'); | 
| +  throw new CyclicInitializationError(message); | 
| +} | 
| + | 
| throwNullValueError() => JS( | 
| '', | 
| '''(() => { | 
|  |