Fixes #1112. Expect a compile error if mixin is derived from a class other than Object
diff --git a/Language/Mixins/Mixin_Application/syntax_t11.dart b/Language/Mixins/Mixin_Application/syntax_t11.dart
index 4199099..b3bea7c 100644
--- a/Language/Mixins/Mixin_Application/syntax_t11.dart
+++ b/Language/Mixins/Mixin_Application/syntax_t11.dart
@@ -41,6 +41,9 @@
 }
 
 class C extends A with M {
+//                     ^
+// [analyzer] unspecified
+// [cfe] unspecified
 }
 
 main() {