Handle more constants in Constantifier

pkg/compiler/lib/src/kernel/kernel_strategy.dart

 // Copyright (c) 2017, 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.kernel.frontend_strategy;
 
 import '../closure.dart';
 import '../backend_strategy.dart';
 import '../common.dart';
 import '../common_elements.dart';
@@ skipping 25 matching lines @@
 import '../world.dart';
 import 'element_map.dart';
 
 /// Front end strategy that loads '.dill' files and builds a resolved element
 /// model from kernel IR nodes.
 class KernelFrontEndStrategy implements FrontEndStrategy {
   KernelToElementMap elementMap;
 
   KernelAnnotationProcessor _annotationProcesser;
 
-  KernelFrontEndStrategy(DiagnosticReporter reporter)
-      : elementMap = new KernelToElementMap(reporter);
+  KernelFrontEndStrategy(
+      DiagnosticReporter reporter, env.Environment environment)
+      : elementMap = new KernelToElementMap(reporter, environment);
 
   @override
   LibraryLoaderTask createLibraryLoader(
       ResolvedUriTranslator uriTranslator,
       ScriptLoader scriptLoader,
       ElementScanner scriptScanner,
       LibraryDeserializer deserializer,
       PatchResolverFunction patchResolverFunc,
       PatchParserTask patchParser,
       env.Environment environment,
@@ skipping 162 matching lines @@
   Sorter get sorter =>
       throw new UnimplementedError('KernelBackendStrategy.sorter');
 
   @override
   void convertClosures(ClosedWorldRefiner closedWorldRefiner) {
     // TODO(johnniwinther,efortuna): Compute closure classes for kernel based
     // elements.
     throw new UnimplementedError('KernelBackendStrategy.createClosureClasses');
   }
 }