Implement tear-off closure operator #

tests/language/tearoff_basic_lib.dart

Index: tests/language/tearoff_basic_lib.dart
diff --git a/tests/language/deferred_shared_and_unshared_classes_lib_shared.dart b/tests/language/tearoff_basic_lib.dart
similarity index 58%
copy from tests/language/deferred_shared_and_unshared_classes_lib_shared.dart
copy to tests/language/tearoff_basic_lib.dart
index d5375df1dc756cf543b35da43364bdd1a52764c6..fe9fc075f024200a584dc3734f91759f75608b0c 100644
--- a/tests/language/deferred_shared_and_unshared_classes_lib_shared.dart
+++ b/tests/language/tearoff_basic_lib.dart
@@ -2,16 +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 shared;
+library tearoff_basic_lib;
 
-class CShared {
-  toString() => "shared";
-}
+cfunc() => "cfunc";
 
-class C1 {
-  toString() => "C1";
-}
+set cset(a) { cvar = a; }
 
-class C2 {
-  toString() => "C2";
-}
+get cget => "cget";
+
+var cvar = 1+2+3;
+
+final cfinvar = "set in stone";
+
+class ZZ { }