dart2js: use ResolutionInterfaceType in SSA builders

pkg/compiler/lib/src/ssa/codegen.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.
 
 import 'dart:math' as math;
 import 'dart:collection' show Queue;
 import '../common.dart';
 import '../common/codegen.dart' show CodegenRegistry, CodegenWorkItem;
 import '../common/tasks.dart' show CompilerTask;
 import '../constants/constant_system.dart';
@@ skipping 1871 matching lines @@
     use(node.receiver);
     push(js
         .propertyCall(
             pop(), _namer.invocationName(call), visitArguments(node.inputs))
         .withSourceInformation(node.sourceInformation));
     _registry.registerDynamicUse(new DynamicUse(call, null));
   }
 
   visitInvokeStatic(HInvokeStatic node) {
     MemberEntity element = node.element;
-    List<DartType> instantiatedTypes = node.instantiatedTypes;
-
-    if (instantiatedTypes != null && !instantiatedTypes.isEmpty) {
-      instantiatedTypes.forEach((type) {
-        _registry.registerInstantiation(type);
-      });
-    }
+    node.instantiatedTypes?.forEach(_registry.registerInstantiation);
 
     List<js.Expression> arguments = visitArguments(node.inputs, start: 0);
 
     if (element == _commonElements.checkConcurrentModificationError) {
       // Manually inline the [checkConcurrentModificationError] function.  This
       // function is only called from a for-loop update.  Ideally we would just
       // generate the conditionalcontrol flow in the builder but it adds basic
       // blocks in the loop update that interfere with other optimizations and
       // confuses loop recognition.
 
@@ skipping 1132 matching lines @@
     return _closedWorld.anyStrictSubclassOf(cls, (ClassEntity subclass) {
       return !_rtiSubstitutions.isTrivialSubstitution(subclass, cls);
     });
   }
 
   @override
   void visitRef(HRef node) {
     visit(node.value);
   }
 }