Fix access to type variables in initializer expressions

tests/language/language.status

Index: tests/language/language.status
===================================================================
--- tests/language/language.status	(revision 25809)
+++ tests/language/language.status	(working copy)
@@ -66,10 +66,6 @@
 mixin_illegal_object_test/01: Crash # Issue 10952
 mixin_illegal_object_test/02: Crash # Issue 10952
 
-type_variable_field_initializer_closure_test: Crash # issue 8847
-closures_initializer_test: Crash # issue 8847
-closures_initializer2_test: Crash # issue 8847
-
 mixin_forwarding_constructor2_test: Fail # Issue 11888
 mixin_typedef_constructor_test: Fail # Issue 11888
 mixin_type_parameter2_test: Fail # Issue 11888
@@ -94,9 +90,6 @@
 
 
 [ $compiler == none && $runtime == drt ]
-type_variable_field_initializer_closure_test: Fail # issue 8847
-closures_initializer_test: Fail # VM bug: issue 8847
-closures_initializer2_test: Fail # VM bug: issue 8847
 final_variable_assignment_test/01: Fail
 final_variable_assignment_test/02: Fail
 final_variable_assignment_test/03: Fail
@@ -290,10 +283,6 @@
 
 positional_parameters_type_test: Fail # Triage this.
 
-type_variable_field_initializer_closure_test: Crash # VM bug: issue 8847
-closures_initializer_test: Crash # VM bug: issue 8847
-closures_initializer2_test: Crash # VM bug: issue 8847
-
 bound_closure_equality_test: Fail # Issue 10849
 
 [ $compiler == dart2dart && $minified ]