Added support for exports and re-exports.

tests/co19/co19-dart2js.status

 # 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.
 
 
 # Crashes first, please. Then untriaged bugs. There is a section below
 # for co19 bugs.
 [ $compiler == dart2js ]
 Language/07_Classes/6_Constructors/2_Factories_A01_t01: Crash # http://dartbug.com/5017
-Language/13_Libraries_and_Scripts/2_Imports_A03_t07: Crash # http://dartbug.com/5429
-Language/13_Libraries_and_Scripts/2_Imports_A03_t08: Crash # http://dartbug.com/5429
 
 Language/03_Overview/1_Scoping_A02_t06: Fail # TODO(ahe): Please triage this failure.
 Language/06_Functions/06_Functions_A01_t22: Fail # TODO(ahe): Please triage this failure.
 Language/07_Classes/07_Classes_A03_t01: Fail # TODO(ahe): Please triage this failure.
 Language/07_Classes/07_Classes_A03_t07: Fail # TODO(ahe): Please triage this failure.
 Language/07_Classes/6_Constructors/2_Factories_A07_t01: Fail # TODO(ahe): Please triage this failure.
 Language/07_Classes/8_Static_Variables/1_Evaluation_of_Static_Variable_Getters_A01_t05: Fail # TODO(ahe): Please triage this failure.
 Language/07_Classes/9_Superclasses/1_Inheritance_and_Overriding_A02_t03: Fail # TODO(ahe): Please triage this failure.
 Language/09_Generics/09_Generics_A05_t02: Fail # TODO(ahe): Please triage this failure.
 Language/10_Expressions/01_Constants_A05_t01: Fail # TODO(ahe): Please triage this failure.
@@ skipping 380 matching lines @@
 Language/03_Overview/2_Privacy_A01_t20: Fail, OK # co19 issue 198
 
 Language/10_Expressions/30_Type_Cast_A02_t03: Fail, OK # co19 issue 236
 
 Language/13_Libraries_and_Scripts/2_Imports_A03_t06: Fail, OK # co19 issue 244
 
 Language/13_Libraries_and_Scripts/2_Imports_A02_t01: Fail, OK # co19 issue 246
 Language/13_Libraries_and_Scripts/2_Imports_A02_t02: Fail, OK # co19 issue 246
 Language/13_Libraries_and_Scripts/2_Imports_A02_t16: Fail, OK # co19 issue 246
 Language/13_Libraries_and_Scripts/2_Imports_A02_t17: Fail, OK # co19 issue 246
-Language/13_Libraries_and_Scripts/2_Imports_A02_t20: Fail, OK # co19 issue 246
-Language/13_Libraries_and_Scripts/2_Imports_A02_t21: Fail, OK # co19 issue 246
-Language/13_Libraries_and_Scripts/2_Imports_A02_t22: Fail, OK # co19 issue 246
 Language/13_Libraries_and_Scripts/2_Imports_A03_t02: Fail, OK # co19 issue 246
 Language/13_Libraries_and_Scripts/2_Imports_A03_t12: Fail, OK # co19 issue 246
 Language/13_Libraries_and_Scripts/2_Imports_A03_t22: Fail, OK # co19 issue 246
-Language/13_Libraries_and_Scripts/2_Imports_A05_t02: Fail, OK # co19 issue 246
+
+Language/13_Libraries_and_Scripts/2_Imports_A03_t16: Fail # co19 issue 226
+Language/13_Libraries_and_Scripts/2_Imports_A03_t26: Fail # co19 issue 226
 
 Language/13_Libraries_and_Scripts/3_Includes_A01_t01: Fail, OK # co19 issue 249
 Language/13_Libraries_and_Scripts/3_Includes_A03_t03: Fail, OK # co19 issue 249
 
 Language/13_Libraries_and_Scripts/2_Imports_A06_t01: Fail, OK # co19 issue 250
 
 
 [ $compiler == dart2js && $runtime == d8 ]
 LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterClassEscape_A04_t01: Fail, Pass # issue 3333
 LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterClassEscape_A03_t01: Fail, Pass # issue 3333
@@ skipping 287 matching lines @@
 Language/14_Types/5_Function_Types_A01_t15: Fail # http://dartbug.com/5022
 Language/14_Types/5_Function_Types_A01_t16: Fail # http://dartbug.com/5022
 Language/14_Types/5_Function_Types_A01_t17: Fail # http://dartbug.com/5022
 Language/14_Types/5_Function_Types_A01_t18: Fail # http://dartbug.com/5022
 Language/14_Types/5_Function_Types_A01_t19: Fail # http://dartbug.com/5022
 Language/14_Types/5_Function_Types_A01_t20: Fail # http://dartbug.com/5022
 Language/14_Types/5_Function_Types_A01_t21: Fail # http://dartbug.com/5022
 Language/14_Types/5_Function_Types_A01_t22: Fail # http://dartbug.com/5022
 Language/14_Types/5_Function_Types_A01_t23: Fail # http://dartbug.com/5022
 
-Language/13_Libraries_and_Scripts/2_Imports_A03_t11: Fail # http://dartbug.com/4050. Export not implemented yet.
-Language/13_Libraries_and_Scripts/2_Imports_A03_t13: Fail # http://dartbug.com/4050. Export not implemented yet.
-Language/13_Libraries_and_Scripts/2_Imports_A03_t21: Fail # http://dartbug.com/4050. Export not implemented yet.
-Language/13_Libraries_and_Scripts/2_Imports_A03_t23: Fail # http://dartbug.com/4050. Export not implemented yet.
-
 Language/13_Libraries_and_Scripts/2_Imports_A01_t39: Fail # http://dartbug.com/4050. Combinators not implemented yet.
 Language/13_Libraries_and_Scripts/2_Imports_A01_t40: Fail # http://dartbug.com/4050. Combinators not implemented yet.
 Language/13_Libraries_and_Scripts/2_Imports_A02_t11: Fail # http://dartbug.com/4050. Combinators not implemented yet.
 Language/13_Libraries_and_Scripts/2_Imports_A02_t14: Fail # http://dartbug.com/4050. Combinators not implemented yet.
 Language/13_Libraries_and_Scripts/2_Imports_A02_t18: Fail # http://dartbug.com/4050. Combinators not implemented yet.
 Language/13_Libraries_and_Scripts/2_Imports_A03_t04: Fail # http://dartbug.com/4050. Combinators not implemented yet.
 Language/13_Libraries_and_Scripts/2_Imports_A03_t14: Fail # http://dartbug.com/4050. Combinators not implemented yet.
 Language/13_Libraries_and_Scripts/2_Imports_A03_t24: Fail # http://dartbug.com/4050. Combinators not implemented yet.
 
 Language/13_Libraries_and_Scripts/4_Scripts_A03_t01: Fail # http://dartbug.com/5683
@@ skipping 23 matching lines @@
 Language/14_Types/4_Interface_Types_A10_t01: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A10_t02: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A10_t03: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A10_t04: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A10_t07: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A11_t02: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A12_t09: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A12_t10: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A12_t14: Fail # http://dartbug.com/5020
 Language/14_Types/4_Interface_Types_A12_t16 :Fail # http://dartbug.com/5020