| Index: pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/rtti.dart | 
| diff --git a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/rtti.dart b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/rtti.dart | 
| index d97b6bd30acd2b855628a83752a4499c9e7c173a..344c592fcd546a3ab4a87e9176c17d80cf61456d 100644 | 
| --- a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/rtti.dart | 
| +++ b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/rtti.dart | 
| @@ -183,7 +183,7 @@ lazyAnonymousJSType(name) { | 
| } | 
|  | 
| /// Given a WrappedType, return the internal runtime type object. | 
| -unwrapType(obj) => obj._wrappedType; | 
| +unwrapType(WrappedType obj) => obj._wrappedType; | 
|  | 
| _getRuntimeType(value) => JS('', '#[#]', value, _runtimeType); | 
| getIsNamedConstructor(value) => JS('', '#[#]', value, isNamedConstructor); | 
|  |