Allow S->T <: dynamic->T

test/dart_codegen/expect/collection/linked_list.dart

Index: test/dart_codegen/expect/collection/linked_list.dart
diff --git a/test/dart_codegen/expect/collection/linked_list.dart b/test/dart_codegen/expect/collection/linked_list.dart
index f77026ddb90d63c1f5a1d12cd62db81ea7564e15..b89245be42b5a862e6604eccefa908df2889cac8 100644
--- a/test/dart_codegen/expect/collection/linked_list.dart
+++ b/test/dart_codegen/expect/collection/linked_list.dart
@@ -13,7 +13,13 @@ part of dart.collection;
   _insertAfter(_previous, entry);
   }
  void addAll(Iterable<E> entries) {
-  entries.forEach((entry) => _insertAfter(_previous, DEVC$RT.cast(entry, dynamic, E, "CastGeneral", """line 65, column 56 of dart:collection/linked_list.dart: """, entry is E, false)));
+  entries.forEach(((__x10) => DEVC$RT.wrap((void f(dynamic __u5)) {
+    void c(dynamic x0) => f(x0);
+     return f == null ? null : c;
+    }
+  , __x10, __t8, DEVC$RT.type((__t6<E> _) {
+    }
+  ), "WrapLiteral", """line 65, column 21 of dart:collection/linked_list.dart: """, __x10 is __t6<E>))((entry) => _insertAfter(_previous, DEVC$RT.cast(entry, dynamic, E, "CastGeneral", """line 65, column 56 of dart:collection/linked_list.dart: """, entry is E, false))));
   }
  bool remove(E entry) {
   if (entry._list != this) return false;
@@ -133,3 +139,5 @@ _list._insertAfter(this, entry);
 _list._insertAfter(_previous, entry);
 }
 }
+ typedef void __t6<E>(E __u7);
+ typedef void __t8(dynamic __u9);