Support runtime check of function types.

tests/language/language_dart2js.status

Index: tests/language/language_dart2js.status
diff --git a/tests/language/language_dart2js.status b/tests/language/language_dart2js.status
index 470c7e09a0f6f34dfcce35f7988850093cacb824..3024b61435d6e1b72edd133dfe5e8d3393ccbf98 100644
--- a/tests/language/language_dart2js.status
+++ b/tests/language/language_dart2js.status
@@ -67,6 +67,7 @@ local_function2_test: Fail # Issue 5022
 number_identity_test: Fail # Issue 9249
 
 [ $compiler == dart2js && $unchecked ]
+prefix16_test: Fail # dartbug.com/9056
 default_factory2_test/01: Fail # type arguments on redirecting factory not implemented
 type_variable_scope_test: Fail # type arguments on redirecting factory not implemented
 assertion_test: Fail
@@ -142,7 +143,6 @@ compile_time_constant8_test: Fail # We don't take the generic type into account
 canonical_const_test: Fail # We don't take the generic type into account yet.
 
 # Support for optional parameters not conform to latest spec.
-function_type_alias_test: Fail
 function_type_alias2_test: Fail
 named_parameters_type_test: Fail
 positional_parameters_type_test: Fail
@@ -156,19 +156,16 @@ non_parameterized_factory2_test: Fail # type arguments on redirecting factory no
 const_var_test: Fail # Map literals take 2 type arguments.
 map_literal3_test: Fail # Map literals take 2 type arguments.
 ct_const_test: Fail # We don't take the generic type into account yet.
-dynamic_test: Fail # cannot resolve type F1
 constructor_redirect2_test/03: Fail # redirecting ctor with initializing formal
 factory2_test: Fail # internal error: visitIs for type variables not implemented
 factory3_test: Fail # internal error: visitIs for type variables not implemented
 factory5_test: Fail # internal error: visitIs for type variables not implemented
 function_type_alias2_test: Fail # cannot resolve type f1
-function_type_alias3_test: Fail # cannot resolve type F
 function_type_alias4_test: Fail # cannot resolve type F
 function_type_alias5_test/00: Fail # visitIs for typedefs not implemented
 function_type_alias5_test/01: Fail # visitIs for typedefs not implemented
 function_type_alias5_test/02: Fail # visitIs for typedefs not implemented
 function_type_alias7_test/00: Fail # wrongly accepts default values in typedef
-function_type_alias_test: Fail # cannot resolve type Fun
 generic_test: Fail # cannot resolve type T
 get_set_syntax_test/00: Fail # Fixed by https://chromiumcodereview.appspot.com/10915111
 get_set_syntax_test/01: Fail # Fixed by https://chromiumcodereview.appspot.com/10915111