Update test list for dartc

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 145 matching lines @@
 StackOverflowTest: Fail      # Bug 4591172.
 StackTraceTest: Fail         # Bug 4971920.
 StringConcatTest: Fail       # Bug 5196164
 SuperOperatorTest: Fail      # Bug 4995463.
 Switch7NegativeTest: Fail    # Bug 4208467.
 SwitchLabelTest: Fail        # Bug 4208467.
 ThirdTest: Skip # Seems flaky in dartc after fixing test, was Bug 5339586
 Throw7NegativeTest: Fail     # Bug 4208459.
 TypeVariableBoundsTest/none: Fail        # Issue 417
 TypeVariableScopeTest/none: Fail         # Issue 417
+ToplevelCollision2Test/none: Fail        # Issue 647
+ToplevelCollision2Test/00: Fail          # Issue 647
+ToplevelCollision2Test/01: Fail          # Issue 647
 
 # VM or Frog specific tests that should not be run by DartC.
 *VMTest: Skip
 *VMNegativeTest: Skip
 *FrogTest: Skip
 *FrogNegativeTest: Skip
 
 
 [ $component == dartium ]
 # TODO: These need to be retriaged.
@@ skipping 172 matching lines @@
 StaticField2RunNegativeTest: Fail
 
 [ $arch == x64 ]
 *: Skip
 
 [ $arch == simarm ]
 *: Skip
 
 [ $arch == arm ]
 *: Skip