allow 'super' in async and finally blocks

test/codegen/language/super_in_async6_test.dart

Index: test/codegen/language/super_in_async6_test.dart
diff --git a/test/codegen/language/generic_async_star_test.dart b/test/codegen/language/super_in_async6_test.dart
similarity index 55%
copy from test/codegen/language/generic_async_star_test.dart
copy to test/codegen/language/super_in_async6_test.dart
index cf18af84924948a71e6e6420322cdd082319b6b7..b07864d2e8ba803dc1fb20cc8cd480ceda6e8a8a 100644
--- a/test/codegen/language/generic_async_star_test.dart
+++ b/test/codegen/language/super_in_async6_test.dart
@@ -6,14 +6,17 @@ import "package:expect/expect.dart";
 
 import 'dart:async';
 
-Stream/*<T>*/ foo/*<T>*/(/*=T*/ x) async* {
-  for (int i = 0; i < 3; i++) {
-    yield x;
-  }
+class A {
+  Future<int> foo(int x, int y, int z) async => x + y + z;
 }
 
-main() async {
-  await for (var x in foo/*<int>*/(1)) {
-    Expect.equals(1, x);
+class B extends A {
+  Future<int> foo(int x, int y, int z) async {
+    var w = await super.foo(x, y, z);
+    return w + 1;
   }
 }
+
+main() async {
+  Expect.equals(7, await new B().foo(1, 2, 3));
+}