Collect referenced classes recursively.

tests/language/language.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.
 
 # 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 133 matching lines @@
 
 [ $compiler == dart2dart ]
 class_cycle_negative_test: Fail, OK # Bad test: assumes eager loading.
 field1_negative_test: Fail, OK # Bad test: assumes eager loading.
 field6_negative_test: Fail, OK # Bad test: assumes eager loading.
 field7_negative_test: Fail, OK # Bad test: assumes eager loading.
 interface_cycle_negative_test: Fail, OK # Bad test: assumes eager loading.
 # Tests that crash after reverting resolution of type variables in default clause.
 # https://chromiumcodereview.appspot.com/10824062/
 default_factory2_test/01: Fail
-default_factory3_test: Fail
 function_type_alias6_test: Crash, Timeout
 type_variable_scope_test/00: Fail
 type_variable_scope_test/01: Fail
 type_variable_scope_test/02: Fail
 type_variable_scope_test/03: Fail
 type_variable_scope_test/04: Fail
 type_variable_scope_test/05: Fail
 # Passes VMOptions, should be supported in test framework.
 assertion_test: Fail
 bootstrap_test: Fail
@@ skipping 35 matching lines @@
 type_variable_bounds_test/01: Fail
 # external keyword is not yet supported by dart2js/dart2dart.
 external_test/*: Skip
 # Test annotations are not processed correctly by dart2dart test
 # framework: necessary errors are thrown, but treated incorrectly.
 assign_static_type_test/01: Fail
 assign_static_type_test/02: Fail
 assign_static_type_test/03: Fail
 assign_static_type_test/04: Fail
 assign_static_type_test/05: Fail
-cyclic_type_variable_test/01: Fail
-cyclic_type_variable_test/02: Fail
-cyclic_type_variable_test/03: Fail
-cyclic_type_variable_test/04: Fail
-cyclic_type_variable_test/none: Fail
 final_syntax_test/03: Fail
 final_syntax_test/04: Fail
 # Call operator is not supported by dart2js frontend.
 call_operator_test: Fail
 # dart2js frontend doesn't even analyse problematic classes.
 class_extends_negative_test: Fail
 duplicate_implements_test/01: Fail
 duplicate_implements_test/02: Fail
 duplicate_implements_test/03: Fail
 duplicate_implements_test/04: Fail
@@ skipping 24 matching lines @@
 fauxverride_test/none: Fail
 gc_test: Fail
 prefix_core_test: Fail
 super_closure_test: Fail
 super_field_access_test: Fail
 super_first_constructor_test: Fail
 # Triaged.
 method_override2_test/00: Fail # Must provide compiler errors, not currently supported by framework.
 method_override2_test/02: Fail # Must provide compiler errors, not currently supported by framework.
 method_override2_test/03: Fail # Must provide compiler errors, not currently supported by framework.
+syntax_test/47: Fail  # We should get compile-time error on const constructor having body. But we don't emit default constructors with empty body.
 type_variable_bounds2_test/00: Fail # See above
 type_variable_bounds2_test/03: Fail # See above
 type_variable_bounds2_test/05: Fail # See above
 try_catch_test: Fail # New catch syntax is not supported by dart2js yet.
 # Should be triaged.
 const_test: Fail
 empty_body_member_negative_test: Fail
 factory4_test: Fail
 field2_negative_test: Fail
 field4_negative_test: Fail
 field5_negative_test: Fail
 field6a_negative_test: Fail
 field7a_negative_test: Fail
 field_optimization2_test: Fail
 field_optimization_test: Fail
 field_override_test/01: Fail
 field_override_test/02: Fail
 field_override_test/none: Fail
 getters_setters2_test/03: Fail
-implicit_this_test/01: Fail
-implicit_this_test/02: Fail
-implicit_this_test/03: Fail
-implicit_this_test/04: Fail
-implicit_this_test/none: Fail
 implied_interface_test: Fail
 incr_op_test: Fail
 interface_factory_constructor_negative_test: Fail
-interface_inherit_field_test: Fail
 interface_static_method_negative_test: Fail
 interface_test: Fail
 library5_test: Fail
 library_same_name_used_test: Fail
 named_parameters_type_test: Fail
 non_const_super_negative_test: Fail
 number_identifier_negative_test: Fail
 operator1_negative_test: Fail
-prefix14_test: Fail
 prefix15_test: Fail
 prefix18_negative_test: Fail
 prefix20_negative_test: Fail
 static_final_field_negative_test: Fail
 static_top_level_test/00: Fail
 static_top_level_test/01: Fail
 static_top_level_test/02: Fail
 static_top_level_test/03: Fail
 static_top_level_test/04: Fail
 static_top_level_test/05: Fail
 string_interpolation7_test: Fail
 switch_label_test: Fail
-syntax_test/none: Fail
 typed_message_test: Fail
 type_variable_bounds2_test/02: Fail
 type_variable_bounds2_test/06: Fail
 type_variable_bounds_test/02: Fail
 type_variable_bounds_test/04: Fail
 type_variable_bounds_test/05: Fail