Fix field initialization order for forwarding constructors.

tests/language/redirecting_constructor_initializer_test.dart

Index: tests/language/redirecting_constructor_initializer_test.dart
diff --git a/tests/language/redirecting_constructor_initializer_test.dart b/tests/language/redirecting_constructor_initializer_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..97c80057a515cbb5611f4ea4453f65a72ac3c381
--- /dev/null
+++ b/tests/language/redirecting_constructor_initializer_test.dart
@@ -0,0 +1,41 @@
+// 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";
+
+var string = '';
+
+append(x) {
+  string += x;
+  return x;
+}
+
+class A {
+  var x = append('x');
+  var y;
+  var z;
+
+  // Should append y but not yet x.
+  A() : this.foo(append('y'));
+
+  // Append x and z.
+  A.foo(this.y) : z = append('z');
+}
+
+class B extends A {
+  var w;
+
+  // Call the redirecting constructor using super.
+  B() : super(), w = append('w');
+}
+
+main() {
+  string = '';
+  new A();
+  Expect.equals('yxz', string);
+
+  string = '';
+  new B();
+  Expect.equals('yxzw', string);
+}