Add --ast to mini_parser.dart.

dart/tests/language/language.status

 # Copyright (c) 2011, 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 directory contains tests that are intended to show the
 # current state of the language.
 
 # In order to maintain maximum test coverage for all builds,
 # please use the following procedure to mark a test
 # failed on architectures other than the one you are working on.
@@ skipping 310 matching lines @@
 StaticTopLevelTest/00: Fail
 StaticTopLevelTest/03: Fail
 ToplevelCollision2Test/01: Fail # added in r1934
 TypeVariableBoundsTest/none: Pass # I think the "cancel leg" message is confusing the test harness? Leg is bailing on all these tests after seeing the "extends" factory syntax.
 TypeVariableBoundsTest/00: Pass
 TypeVariableBoundsTest/03: Pass
 TypeVariableBoundsTest/04: Pass
 TypeVariableBoundsTest/02: Fail
 TypeVariableBoundsTest/06: Fail
 
-# Parser errors.
-BlockScopeTest: Fail
-DuplicateConstructorTest/none: Fail
-ExceptionIdentityTest: Fail
-NewExpressionTypeArgsFrogTest/none: Fail
-
 [ $component == frog || $component == frogsh || $component == leg ]
 # these tests are inconsistent in frogium and frogsh-node, investigate
 ParameterInitializerTest: Pass
 StaticField1RunNegativeTest: Pass
 StaticField2RunNegativeTest: Pass
 
 [ $component == frogium ]
 # these tests are inconsistent in frogium and frogsh-node, investigate
 ParameterInitializerTest: Fail
 StaticField1RunNegativeTest: Fail
 StaticField2RunNegativeTest: Fail
 
 [ $arch == x64 ]
 *: Skip
 
 [ $arch == simarm ]
 *: Skip
 
 [ $arch == arm ]
 *: Skip