Fix passing of type arguments in redirecting constructors.

tests/language/regress_18535_test.dart

Index: tests/language/regress_18535_test.dart
diff --git a/tests/language/deferred_no_prefix_test.dart b/tests/language/regress_18535_test.dart
similarity index 61%
copy from tests/language/deferred_no_prefix_test.dart
copy to tests/language/regress_18535_test.dart
index c81b47c34c1f7eaa2781829acd80652176b326be..991a8a8da9c33fd9d058bb44316c694aec71f490 100644
--- a/tests/language/deferred_no_prefix_test.dart
+++ b/tests/language/regress_18535_test.dart
@@ -2,10 +2,11 @@
 // 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.
 
-// Loading a deferred library without prefix is not allowed.
-import "deferred_constraints_lib2.dart"
-  deferred /// 01: compile-time error
-;
+// Regression test for issue 18535.
+
+import 'dart:mirrors';
+import 'package:collection/collection.dart';
 
 void main() {
-}
+  print(currentMirrorSystem().libraries);
+}