Less inequivalence on Hello World!

pkg/compiler/lib/src/resolution/resolution_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.resolution_strategy;
 
 import 'package:front_end/src/fasta/scanner.dart' show Token;
 
 import '../common.dart';
 import '../common_elements.dart';
@@ skipping 47 matching lines @@
     CommonElements commonElements = new CommonElements(elementEnvironment);
     return new ResolutionFrontEndStrategy.internal(
         compiler, elementEnvironment, commonElements);
   }
 
   ResolutionFrontEndStrategy.internal(
       this._compiler, this._elementEnvironment, this.commonElements);
 
   ElementEnvironment get elementEnvironment => _elementEnvironment;
 
-  DartTypes get dartTypes => _compiler.types;
+  DartTypes get dartTypes => _compiler.resolution.types;
 
   LibraryLoaderTask createLibraryLoader(
       ResolvedUriTranslator uriTranslator,
       ScriptLoader scriptLoader,
       ElementScanner scriptScanner,
       LibraryDeserializer deserializer,
       PatchResolverFunction patchResolverFunc,
       PatchParserTask patchParser,
       Environment environment,
       DiagnosticReporter reporter,
@@ skipping 29 matching lines @@
   MirrorsDataBuilder createMirrorsDataBuilder() {
     return new MirrorsDataImpl(_compiler, _compiler.options, commonElements);
   }
 
   MirrorsResolutionAnalysis createMirrorsResolutionAnalysis(
           JavaScriptBackend backend) =>
       new MirrorsResolutionAnalysisImpl(backend, _compiler.resolution);
 
   RuntimeTypesNeedBuilder createRuntimeTypesNeedBuilder() {
     return new ResolutionRuntimeTypesNeedBuilderImpl(
-        elementEnvironment, _compiler.types);
+        elementEnvironment, dartTypes);
   }
 
   ResolutionWorldBuilder createResolutionWorldBuilder(
       NativeBasicData nativeBasicData,
       NativeDataBuilder nativeDataBuilder,
       InterceptorDataBuilder interceptorDataBuilder,
       BackendUsageBuilder backendUsageBuilder,
       SelectorConstraintsStrategy selectorConstraintsStrategy) {
     return new ElementResolutionWorldBuilder(
         _compiler.backend,
@@ skipping 739 matching lines @@
   @override
   WorkItem createWorkItem(MemberElement element) {
     assert(element.isDeclaration, failedAt(element));
     if (element.isMalformed) return null;
 
     assert(element is AnalyzableElement,
         failedAt(element, 'Element $element is not analyzable.'));
     return _resolution.createWorkItem(element);
   }
 }