Type assignment errors should be static type warnings, not compile-time errors

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 166 matching lines @@
 StaticField1RunNegativeTest: Fail  # issue 1662
 StaticField1aRunNegativeTest: Fail # issue 1662
 StaticField2RunNegativeTest: Fail  # issue 1662
 StaticField2aRunNegativeTest: Fail # issue 1662
 StringEscape1NegativeTest: Fail # Issue 1351.
 StringEscape4NegativeTest: Fail # Issue 1351.
 SuperOperatorTest: Fail      # Bug 4995463.
 Switch3NegativeTest: Fail # issue 1663
 Switch7NegativeTest: Fail    # Bug 4208467.
 SwitchLabelTest: Fail        # Bug 4208467.
-TypeVariableBounds2Test*: Skip  # Issue 1939.
 ThirdTest: Skip # Seems flaky in dartc after fixing test, was Bug 5339586
 Throw7NegativeTest: Fail     # Bug 4208459.
 TypeVariableBoundsTest/01: Fail  # issue 1900
 
 #
 # Add new dartc annotations above in alphabetical order
 #
 
 # VM or Frog specific tests that should not be run by DartC.
 *VMTest: Skip
@@ skipping 266 matching lines @@
 [ $component == frog && $mode == debug ]
 ConstructorRedirect1NegativeTest: Skip # Undiagnosed infinite loop.
 ConstructorRedirect2NegativeTest: Skip # Undiagnosed infinite loop.
 
 [ $arch == simarm ]
 *: Skip
 
 [ $arch == arm ]
 *: Skip