Fix runtimeType.toString for tear-offs.

tests/language/runtime_type2_test.dart

Index: tests/language/runtime_type2_test.dart
diff --git a/tests/language/runtime_type2_test.dart b/tests/language/runtime_type2_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..bdd062974b1eb10c480a2ccd898a042ab96e2f33
--- /dev/null
+++ b/tests/language/runtime_type2_test.dart
@@ -0,0 +1,26 @@
+// Copyright (c) 2015, 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.
+
+import "package:expect/expect.dart";
+
+class A {
+  foo() => 499;
+}
+
+bar() => 42;
+
+main() {
+  String runtimeStringFoo = new A().foo.runtimeType.toString();
+  String runtimeStringBar = bar.runtimeType.toString();
+  // Check for the VM string, the unminified dart2js string, and a short
+  // string (in case it was minified).
+  Expect.isTrue(
+      runtimeStringFoo == "() => dynamic" ||
+      runtimeStringFoo == "BoundClosure" ||
+      new RegExp('[a-zA-Z]{1,3}').hasMatch(runtimeStringFoo));
+  Expect.isTrue(
+      runtimeStringBar == "() => dynamic" ||
+      runtimeStringBar == "StaticClosure" ||
+      new RegExp('[a-zA-Z]{1,3}').hasMatch(runtimeStringFoo));
+}