Add support for initializers in constructor invocation

pkg/kernel/testcases/interpreter/object_field_initializers_test.dart

 // 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 file.
 
 library object_field_initializers_test;
 
 /// Simple program creating an object with instance field initializers in the
 /// declaration of the class.
 ///
 /// The static function `fieldInitializer` is used to ensure the fields are
 /// intialized in the correct order by tracking the  order of side effects.
 void main() {
+  print('Create instance of A');
   var a1 = new A.withoutArguments();
   print(a1.foo1);
   print(a1.foo2);
   print(a1.foo3);
   var a2 = new A('bar1', 'bar2');
   print(a2.foo1);
   print(a2.foo2);
   print(a2.foo3);
 
+  print('Create instance of B');
   var b = new B(fieldInitializer(1, 'bar1'), fieldInitializer(2, 'bar2'));
   print(b.foo1);
   print(b.foo2);
   print(b.foo3);
   print(b.foo4);
+
+  print('Create instance of C');
+  var c = new C(fieldInitializer(1, 'bar1'), fieldInitializer(2, 'bar2'));
+  print(c.foo1);
+  print(c.foo2);
+  print(c.foo3);
 }
 
 class A {
   String foo1 = 'foo1';
   String foo2;
   String foo3 = 'foo3';
 
   A.withoutArguments();
   A(String foo1, String foo2) {
     this.foo1 = foo1;
     this.foo2 = foo2;
   }
 }
 
 class B {
   String foo1 = fieldInitializer(3, 'foo1');
   String foo2;
   String foo3 = fieldInitializer(4, 'foo3');
   String foo4 = fieldInitializer(5, 'foo4');
 
   B(String foo1, String foo2) {
     this.foo1 = foo1;
     this.foo2 = foo2;
     this.foo4 = fieldInitializer(6, 'bar4');
   }
 }
 
+class C {
+  String foo1 = fieldInitializer(1, 'foo1');
+  String foo2;
+  String foo3 = fieldInitializer(2, 'foo3');
+
+  C(this.foo1, this.foo2) {
+    foo3 = fieldInitializer(3, 'foo3');
+  }
+}
+
 String fieldInitializer(int f, String s) {
   print('$s: $f');
   return '$s: $f';
 }