Index: sdk/lib/_internal/compiler/implementation/constant_system_dart.dart |
=================================================================== |
--- sdk/lib/_internal/compiler/implementation/constant_system_dart.dart (revision 17016) |
+++ sdk/lib/_internal/compiler/implementation/constant_system_dart.dart (working copy) |
@@ -335,7 +335,7 @@ |
* that doesn't correctly implement Dart's semantics this constant system will |
* not return the correct values. |
*/ |
-class DartConstantSystem implements ConstantSystem { |
+class DartConstantSystem extends ConstantSystem { |
const add = const AddOperation(); |
const bitAnd = const BitAndOperation(); |
const bitNot = const BitNotOperation(); |