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

sdk/lib/scalarlist/scalarlist_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.
 
 {
   'sources': [
-    # TODO(ager): remove byte_arrays.dart and inline the code in
-    # scalarlist.dart. The reason for not doing that at this point is
-    # that the VM does not allow normal library structure for builtin
-    # libraries.
+    'scalarlist.dart',
+    # The above file needs to be first as it lists the parts below.
     'byte_arrays.dart',
     'simd128.dart',
   ],
 }