| Index: runtime/lib/compact_hash.dart | 
| diff --git a/runtime/lib/compact_hash.dart b/runtime/lib/compact_hash.dart | 
| index 8a3789314aa911ee8b03ceb68ab439672119d061..5557230a101cd705a020e4007b22448b54679f68 100644 | 
| --- a/runtime/lib/compact_hash.dart | 
| +++ b/runtime/lib/compact_hash.dart | 
| @@ -3,6 +3,7 @@ | 
| // BSD-style license that can be found in the LICENSE file. | 
|  | 
| import 'dart:typed_data' show Uint32List; | 
| +import 'dart:_internal' as internal; | 
|  | 
| // Hash table with open addressing that separates the index from keys/values. | 
|  | 
|  |