Update check for cyclic typedefs.

tests/language/cyclic_typedef_test.dart

Index: tests/language/cyclic_typedef_test.dart
diff --git a/tests/language/cyclic_typedef_test.dart b/tests/language/cyclic_typedef_test.dart
index 61d8d0b8704d7d8cb05acf499ec6eed15f8ac7ed..c660527612e59c82a7a6be058ab9b2639d78f624 100644
--- a/tests/language/cyclic_typedef_test.dart
+++ b/tests/language/cyclic_typedef_test.dart
@@ -13,6 +13,12 @@ A /// 01: compile-time error
 
 A // The name of the typedef
 
+// Cyclic through type variable bound.
+<T extends A> /// 10: compile-time error
+
+// Cyclic through generic type variable bound.
+<T extends List<A>> /// 11: compile-time error
+
 ( // The left parenthesis of the typedef arguments.
 
 // Cyclic through parameter type.
@@ -39,11 +45,23 @@ B b /// 08: compile-time error
 // Cyclic through another more typedefs.
 C c /// 09: compile-time error
 
+// Reference through a class is not a cyclic self-reference.
+Class c /// 12: ok
+
+// Reference through a class type bound is not a cyclic self-reference.
+Class c /// 13: ok
+
 ); // The right parenthesis of the typedef arguments.
 
 typedef B(A a);
 typedef C(B b);
 
+class Class
+<T extends A> /// 13: continued
+{
+  A a; /// 12: continued
+}
+
 void testA(A a) {}
 
 void main() {