Fix two type errors and dart2dart status.

dart/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 329 matching lines @@
 overridden_no_such_method_test: Fail, Pass, OK # Fails in minified mode, test depends on method names.
 
 on_catch_malformed_type_test: Fail # Issue 8601
 
 # False positive compile-time error is masking expected compile-time error
 mixin_type_parameters_errors_test/*: Skip
 
 # Mixins fail on the VM.
 mixin_mixin_test: Fail                      # VM issue
 mixin_issue10216_2_test: Fail               # VM issue
-mixin_illegal_constructor_test/none: Fail   # VM issue
 
 
 # Malformed types not handled as unresolved:
 import_core_prefix_test: Fail
 prefix16_test: Fail
 prefix22_test: Fail
 type_annotation_test/04: Fail
 type_annotation_test/06: Fail
 
 # Calling unresolved class constructor:
@@ skipping 185 matching lines @@
 # problem.
 large_implicit_getter_test: Crash, Pass
 stack_overflow_test: Crash, Pass
 stack_overflow_stacktrace_test: Crash, Pass
 
 [ $arch == mips ]
 *: Skip
 
 [ $arch == simmips ]
 *: Skip