Give different runtime type representations to different types with the same name.

tests/language/first_class_types_lib1.dart

Index: tests/language/first_class_types_lib1.dart
diff --git a/lib/core/print.dart b/tests/language/first_class_types_lib1.dart
similarity index 85%
copy from lib/core/print.dart
copy to tests/language/first_class_types_lib1.dart
index 1c25a140ff43cb8b2832d065efdc137a58c37c05..baadc66015a5ced9bfbdc10f1180715ee714a547 100644
--- a/lib/core/print.dart
+++ b/tests/language/first_class_types_lib1.dart
@@ -2,4 +2,6 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-external void print(Object object);
+library lib1;
+
+class A {}