| Index: pkg/compiler/lib/src/resolved_visitor.dart
 | 
| diff --git a/pkg/compiler/lib/src/resolved_visitor.dart b/pkg/compiler/lib/src/resolved_visitor.dart
 | 
| index b07c36d09eb9d5c3f454f02e79de74a490cebdf0..dd604179bac1643b01f380777ce0cc49fb9d65ed 100644
 | 
| --- a/pkg/compiler/lib/src/resolved_visitor.dart
 | 
| +++ b/pkg/compiler/lib/src/resolved_visitor.dart
 | 
| @@ -389,6 +389,13 @@ class ResolvedSemanticDispatcher<R> extends Object
 | 
|    }
 | 
|  
 | 
|    @override
 | 
| +  void previsitDeferredAccess(
 | 
| +      Send node,
 | 
| +      PrefixElement prefix,
 | 
| +      ResolvedKindVisitor<R> visitor) {
 | 
| +  }
 | 
| +
 | 
| +  @override
 | 
|    R errorInvalidAssert(
 | 
|        Send node,
 | 
|        NodeList arguments,
 | 
| 
 |