Index: sdk/lib/collection/hash_set.dart |
diff --git a/sdk/lib/collection/hash_set.dart b/sdk/lib/collection/hash_set.dart |
index 3ecb82c708e9a252b12eb768d0b118aae1ec9d3c..8e2a2a18c686f8a85672b761c963e66d2be374f2 100644 |
--- a/sdk/lib/collection/hash_set.dart |
+++ b/sdk/lib/collection/hash_set.dart |
@@ -121,7 +121,10 @@ abstract class HashSet<E> implements Set<E> { |
*/ |
factory HashSet.from(Iterable elements) { |
HashSet<E> result = new HashSet<E>(); |
- for (E e in elements) result.add(e); |
+ for (final e in elements) { |
+ E element = e as Object/*=E*/; |
+ result.add(element); |
+ } |
return result; |
} |