Implement tear-off closure operator #

tests/language/tearoff_basic_lib.dart

Index: tests/language/tearoff_basic_lib.dart
diff --git a/tests/language/getter_setter_in_lib3.dart b/tests/language/tearoff_basic_lib.dart
similarity index 58%
copy from tests/language/getter_setter_in_lib3.dart
copy to tests/language/tearoff_basic_lib.dart
index 343edfc30c8730b83d67fb0fd9fc4df1c7ced44e..fe9fc075f024200a584dc3734f91759f75608b0c 100644
--- a/tests/language/getter_setter_in_lib3.dart
+++ b/tests/language/tearoff_basic_lib.dart
@@ -2,10 +2,16 @@
 // 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 GetterSetterInLib3;
+library tearoff_basic_lib;
 
-var _f = 33;
+cfunc() => "cfunc";
 
-set bar(a) { _f = a; }
+set cset(a) { cvar = a; }
 
-get bar => _f;
+get cget => "cget";
+
+var cvar = 1+2+3;
+
+final cfinvar = "set in stone";
+
+class ZZ { }