closure conversion: Support closures in initializers

pkg/kernel/testcases/closures/closure_in_initializer.dart

Index: pkg/kernel/testcases/closures/closure_in_initializer.dart
diff --git a/pkg/kernel/testcases/closures/closure_in_initializer.dart b/pkg/kernel/testcases/closures/closure_in_initializer.dart
new file mode 100644
index 0000000000000000000000000000000000000000..b55930a5a6136b26fa749ce0fa70c65a3526119a
--- /dev/null
+++ b/pkg/kernel/testcases/closures/closure_in_initializer.dart
@@ -0,0 +1,18 @@
+// Copyright (c) 2017, 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.
+
+class C {
+  var t;
+  C.foo(f) : t = (() => f()) {
+    print(1);
+  }
+}
+
+main() {
+  print(0);
+  var c = new C.foo(() => print('hest'));
+  print(2);
+  c.t();
+  print(3);
+}