Expands on previous function RTT to support named/optional parameters.

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 89 matching lines @@
 Constructor6Test: Fail       # Issue 8440015 + 'super' initializer does not parse
 DefaultFactoryLibraryTest: Fail          # Issue 514
 DivByZeroTest: Fail          # Bug 5184183
 DynamicTest: Fail            # Bug 5527899.
 ExampleConstructorTest: Fail # Bug 4205742.
 ExpectTest: Fail             # Missing extensions to class Expect.
 Factory3Test: Fail           # Issue 417
 FactoryNegativeTest: Fail    # Issue 417
 For2Test: Fail               # Bug 4995208.
 FunctionTypeAliasNegativeTest: Fail  # Bug 5231617.
-FunctionTypeAliasTest: Fail # Bug 4519208.
 GenericParameterizedExtendsTest: Skip  # Bug 5392297
 GenericTest: Fail            # Bug 5393302 (missing call to super constructor)
 GetterClosureExecutionOrderTest: Fail # Bug 5481595
 IsObjectTest: Skip # Hasn't be tested on DartC yet
 Library4NegativeTest: Fail               # Bug 5406175
 ListLiteral1NegativeTest: Skip # Issue 220
 ListLiteral3Test: Fail # Issue 220
 ListLiteral4Test: Fail # Issue 220
 ListTest: Fail              # Bug 5146975.
 LocalFunction3Test: Fail     # Bug 4202974.
@@ skipping 223 matching lines @@
 NativeNamedConstructors2FrogTest: Timeout  # ReferenceError: A is not defined.
 
 [ $arch == x64 ]
 *: Skip
 
 [ $arch == simarm ]
 *: Skip
 
 [ $arch == arm ]
 *: Skip