Make initializing formal access available by default

pkg/compiler/lib/src/compile_time_constants.dart

 // 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.
 
 library dart2js.compile_time_constant_evaluator;
 
 import 'common/resolution.dart' show Resolution;
 import 'common/tasks.dart' show CompilerTask, Measurer;
 import 'common.dart';
 import 'compiler.dart' show Compiler;
@@ skipping 1223 matching lines @@
     if (constructor.isMalformed) return;
     // Assign arguments to parameters.
     FunctionSignature signature = constructor.functionSignature;
     int index = 0;
     signature.orderedForEachParameter((ParameterElement parameter) {
       AstConstant argument = arguments[index++];
       Node node = parameter.node;
       if (parameter.isInitializingFormal) {
         InitializingFormalElement initializingFormal = parameter;
         updateFieldValue(node, initializingFormal.fieldElement, argument);
-        if (compiler.options.enableInitializingFormalAccess) {
-          definitions[parameter] = argument;
-        }
       } else {
         potentiallyCheckType(parameter, argument);
-        definitions[parameter] = argument;
       }
+      definitions[parameter] = argument;
     });
   }
 
   void evaluateSuperOrRedirectSend(List<AstConstant> compiledArguments,
       CallStructure callStructure, ConstructorElement targetConstructor) {
     InterfaceType type =
         constructedType.asInstanceOf(targetConstructor.enclosingClass);
     if (compiler.serialization.isDeserialized(targetConstructor)) {
       List<ConstantExpression> arguments =
           compiledArguments.map((c) => c.expression).toList();
@@ skipping 185 matching lines @@
 class _CompilerEnvironment implements Environment {
   final Compiler compiler;
 
   _CompilerEnvironment(this.compiler);
 
   @override
   String readFromEnvironment(String name) {
     return compiler.fromEnvironment(name);
   }
 }