Merge the work on Generic Types Reification from 'dart-lang/reify' repo

pkg/kernel/testcases/reify/multiple_variables_test.dart

Index: pkg/kernel/testcases/reify/multiple_variables_test.dart
diff --git a/pkg/kernel/testcases/reify/multiple_variables_test.dart b/pkg/kernel/testcases/reify/multiple_variables_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..5c33c33f2ad1c4b46868504fd32ccfb3ae1d49c5
--- /dev/null
+++ b/pkg/kernel/testcases/reify/multiple_variables_test.dart
@@ -0,0 +1,11 @@
+// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
+// 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.
+
+library multiple_variables_test;
+
+import '../../runtime/reify/types.dart' as rti;
+
+class X<A, B, C, D, E> {}
+
+main() {}