Deferred (aka lazy) loading of static functions.

dart/tests/compiler/dart2js_extra/deferred/deferred_function_library.dart

Index: dart/tests/compiler/dart2js_extra/deferred/deferred_function_library.dart
diff --git a/dart/tests/language/reexport_core_helper.dart b/dart/tests/compiler/dart2js_extra/deferred/deferred_function_library.dart
similarity index 57%
copy from dart/tests/language/reexport_core_helper.dart
copy to dart/tests/compiler/dart2js_extra/deferred/deferred_function_library.dart
index 49798aa483b6602490991fcd368dda37d9566f20..0eaebc76885ec9905d49685b685f0486f3a54f3b 100644
--- a/dart/tests/language/reexport_core_helper.dart
+++ b/dart/tests/compiler/dart2js_extra/deferred/deferred_function_library.dart
@@ -2,7 +2,12 @@
 // 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 reexport_core_helper;
+// Imported by deferred_function_test.dart and
+// deferred_semantics_test.dart.
 
-export 'dart:core';
+library deferred_function_library;
 
+foo(x) {
+  print('foo($x)');
+  return 42;
+}