| Index: sdk/lib/collection/collections.dart
|
| diff --git a/sdk/lib/collection/collections.dart b/sdk/lib/collection/collections.dart
|
| index f0f05465493e9610dede01d5181e4f14bb8a3fa8..646f6e755036bf200b70d2b67edb81672f9744c0 100644
|
| --- a/sdk/lib/collection/collections.dart
|
| +++ b/sdk/lib/collection/collections.dart
|
| @@ -157,7 +157,7 @@ class Collections {
|
| */
|
| static _containsRef(Collection c, Object ref) {
|
| for (var e in c) {
|
| - if (e === ref) return true;
|
| + if (identical(e, ref)) return true;
|
| }
|
| return false;
|
| }
|
|
|