Implement const expressions for local variables

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 74 matching lines @@
 compile_time_constant_checked3_test/04: Fail, OK
 compile_time_constant_checked3_test/05: Fail, OK
 compile_time_constant_checked3_test/06: Fail, OK
 
 [ $compiler == dartc ]
 redirecting_factory_infinite_steps_test/01: Fail # http://dartbug.com/6560
 implicit_this_test/none: Fail # should not warn about allocating SubAbstract2
 metadata_test: Fail
 bad_override_test/01: Fail
 bad_override_test/02: Fail
+const_locals_test: Fail
+const_nested_test: Fail
 get_set_syntax_test/none: Fail # does not accept getter/setter with no method body
 application_negative_test: Fail # Runtime only test, rewrite as multitest
 assign_instance_method_negative_test: Fail # Runtime only test, rewrite as multitest
 body_less_constructor_wrong_arg_negative_test: Fail # Runtime only test, rewrite as multitest
 call_nonexistent_static_test/03: Fail # Unresolved static calls are no longer errors.
 call_nonexistent_static_test/04: Fail # Unresolved static calls are no longer errors.
 call_nonexistent_static_test/05: Fail # Unresolved static calls are no longer errors.
 call_nonexistent_static_test/06: Fail # Unresolved static calls are no longer errors.
 call_nonexistent_static_test/07: Fail # Unresolved static calls are no longer errors.
 call_nonexistent_static_test/08: Fail # Unresolved static calls are no longer errors.
@@ skipping 281 matching lines @@
 redirecting_factory_infinite_steps_test/01: Fail, Pass # TRIAGE: fails in minified mode. http://dartbug.com/6603
 
 many_overridden_no_such_method_test: Fail, Pass # TRIAGE: fails in minified mode
 overridden_no_such_method_test: Fail, Pass # TRIAGE: fails in minified mode
 # Calling unresolved class constructor:
 # call_constructor_on_unresolvable_class_test/07: Fail
 call_nonexistent_constructor_test: Fail
 
 bad_override_test/01: Fail
 bad_override_test/02: Fail
-
 illegal_invocation_test/01: Fail, OK # Typedef literals are expressions now.
 illegal_invocation_test/04: Fail, OK # Class literals are expressions now.
 illegal_invocation_test/05: Fail, OK # Type variables are expressions now.
 
 # Renaming type from platform library:
 dynamic_test: Fail
 
 # Missing compile-time error when modifying final local variables
 final_variable_assignment_test/01: Fail
 final_variable_assignment_test/02: Fail
@@ skipping 182 matching lines @@
 compile_time_constant_checked3_test/05: Fail, OK
 compile_time_constant_checked3_test/06: Fail, OK
 
 type_error_test: Fail, OK # VM bug: http://dartbug.com/5280
 
 call_through_null_getter_test: Fail # issue 6130
 
 # This is a VM error when the compiled code is run.
 invocation_mirror_test: Fail # issue 3326, 3622.
 invocation_mirror_indirect_test: Fail # issue 3326, 3622.