Merge initial implementation of deferred handling in the VM:

tests/language/deferred_constraints_type_annotation_test.dart

 // Copyright (c) 2014, 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';
 import 'package:async_helper/async_helper.dart';
 
 import "deferred_constraints_lib.dart" deferred as lib;
 import "deferred_constraints_lib.dart" as lib2; /// type_annotation_non_deferred: ok
 
 class F {}
 class G2<T> {}
 
 main() {
   lib.C a = null; /// type_annotation_null: static type warning
   Expect.throws(() { /// new_before_load: static type warning
     lib.C a = new lib.C(); /// new_before_load: continued
-  }, (e) => e is NoSuchMethodError); /// new_before_load: continued
+  }, (e) => e is Error); /// new_before_load: continued
 
   // In this case we do not defer C.
   lib2.C a1 = new lib2.C(); /// type_annotation_non_deferred: continued
   asyncStart();
   lib.loadLibrary().then((_) {
     lib.C a2 = new lib.C(); /// type_annotation1: dynamic type error, static type warning
     lib.G<F> a3 = new lib.G<F>(); /// type_annotation_generic1: dynamic type error, static type warning
     G2<lib.C> a4 = new G2(); /// type_annotation_generic2: static type warning
     G2<lib.C> a5 = new G2<lib.C>(); /// type_annotation_generic3: static type warning
     lib.G<lib.C> a = new lib.G<lib.C>(); /// type_annotation_generic4: dynamic type error, static type warning
@@ skipping 12 matching lines @@
     }, (e) => e is TypeError); /// as_operation: continued
     Expect.throws(() { /// catch_check: static type warning
       try { throw instance; } on lib.Const {} /// catch_check: continued
     }, (e) => e is TypeError); /// catch_check: continued
     int i = lib.C.staticMethod(); /// static_method: ok
     asyncEnd();
   });
 }
 
 lib.C a9 = null; /// type_annotation_top_level: static type warning