Index: sdk/lib/_internal/compiler/implementation/util/util.dart |
diff --git a/sdk/lib/_internal/compiler/implementation/util/util.dart b/sdk/lib/_internal/compiler/implementation/util/util.dart |
index 9d4056a6954ca0eb9113f782ae271802b3ec0faf..c9c0e6657dd90ffc915bbe9a30d59d1f97ba3f6f 100644 |
--- a/sdk/lib/_internal/compiler/implementation/util/util.dart |
+++ b/sdk/lib/_internal/compiler/implementation/util/util.dart |
@@ -4,6 +4,7 @@ |
library org_dartlang_compiler_util; |
+import "dart:collection"; |
import 'util_implementation.dart'; |
import 'characters.dart'; |