Merge kernel closure conversion into the Dart SDK

pkg/kernel/testcases/closures/catch.dart

Index: pkg/kernel/testcases/closures/catch.dart
diff --git a/pkg/kernel/testcases/closures/catch.dart b/pkg/kernel/testcases/closures/catch.dart
new file mode 100644
index 0000000000000000000000000000000000000000..dcf383cdf9462ecc49caf9122ca958d64495969c
--- /dev/null
+++ b/pkg/kernel/testcases/closures/catch.dart
@@ -0,0 +1,17 @@
+// 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.md file.
+
+main() {
+  var c;
+  try {
+    throw "Fisk";
+  } on String catch (e, s) {
+    c = () {
+      print(e);
+      if (s != null) print(s);
+    };
+  }
+  c();
+  print("TEST PASSED");
+}