- Properly load the core libraries as libraries and not as scripts.

sdk/lib/crypto/crypto_sources.gypi

 # Copyright (c) 2012, 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.
 
 # This file contains all sources for the dart:crypto library.
 #
 # TODO(ager): crypto_base.dart should be removed when the
 # VM can use the 'library' and 'part' directives for libraries.
 # At that point crypto.dart should be the only crypto library file.
 {
   'sources': [
+    'crypto.dart',
+    # The above file needs to be first as it lists the parts below.
     'crypto_base.dart',
     'crypto_utils.dart',
     'hash_utils.dart',
     'hmac.dart',
     'md5.dart',
     'sha1.dart',
     'sha256.dart',
   ],
 }