Re-land r5529.

tests/language/language-leg.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.
 
 [ $component == leg && $checked ]
 *: Skip
 
 
 [ $component == leg || $component == legium ]
 AdjacentConstStringLiteralsTest: Crash # Issue 2110
 AdjacentStringLiteralsTest: Crash # Cannot call 'get:dartString' on "${s}".
 Constructor6Test: Crash
 CompileTimeConstant8Test: Fail # We don't take the generic type into account yet.
 CompileTimeConstantBTest: Fail # We don't handle constant map literals with __proto__ key yet.
-CompileTimeConstantFTest: Fail # We don't handle constants with optional arguments yet.
 CompileTimeConstantGTest: Fail # We don't handle constants with optional arguments to super yet.
 StringInterpolation8Test: Fail # Issue 2127
 
 # Compilation errors.
 BreakTest: Fail # SsaBuilder for loop with aborting body not implemented
 CTConst3Test: Fail # CompileTimeConstantEvaluator not implemented
 CTConstTest: Fail # map not implemented
 CallOperatorTest: Fail # Unexpected token 'call'
 CanonicalConstTest: Fail # map not implemented
 CharEscapeTest: Fail # Unhandled non-BMP character: U+10000
@@ skipping 21 matching lines @@
 Issue4515170Test: Fail # cannot resolve VAL
 LabelTest: Fail # switch cases are not implemented
 LibraryPrefixesTest: Fail # other is not a type
 LocalFunctionTest: Fail # duplicate definition of f(var n)=> n*n-1
 ManyGenericInstanceofTest: Fail # cannot resolve type T
 MapLiteral2Test: Fail # expected a constant string
 MapLiteral4Test: Fail # map not implemented
 MethodBindingTest: Fail # Internal Error: SsaBuilder.visitIdentifier on non-this
 MethodNameTest: Fail # Parsing of pseudo keywords.
 MethodOverrideTest: Fail # cannot resolve type GetKeysFunctionType
-NamedArgumentInConstCreationTest: Fail # CompileTimeConstantEvaluator not implemented
 NamedParameters2Test: Fail # Unimplemented non-matching static call
 NamedParameters3Test: Fail # Unimplemented non-matching static call
 NamedParameters4Test: Fail # Unimplemented non-matching static call
 NamedParametersTypeTest: Fail # Internal Error: Cannot find value
 NamingTest: Fail # Internal Error: Cannot find value
 NanInfinityTest: Fail # CompileTimeConstantEvaluator not implemented
 NullToStringTest: Fail # Closurization of intercepted methods.
 NumbersTest: Fail # cannot resolve type Smi
 ParameterInitializerTest: Fail # Internal Error: SsaBuilder.visitIdentifier on non-this
 PseudoKWTest: Fail # Unexpected token '('
@@ skipping 189 matching lines @@
 
 RegExp3Test: Fail, OK # Expects exception from const constructor.
 
 
 # TODO(ahe): Categorize these failures.
 ExecuteFinally3Test: Fail
 
 
 [ $component == leg && $mode == release ]
 AssignTopMethodNegativeTest: Crash