Handle fields with initializers in kernel_impact

pkg/compiler/lib/src/ssa/builder.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:collection';
 
 import 'package:js_runtime/shared/embedded_names.dart';
 
 import '../closure.dart';
 import '../common.dart';
@@ skipping 3748 matching lines @@
 
   /// In checked mode checks the [type] of [node] to be well-bounded. The method
   /// returns [:true:] if an error can be statically determined.
   bool checkTypeVariableBounds(ast.NewExpression node, InterfaceType type) {
     if (!compiler.options.enableTypeAssertions) return false;
 
     Map<DartType, Set<DartType>> seenChecksMap =
         new Map<DartType, Set<DartType>>();
     bool definitelyFails = false;
 
-    addTypeVariableBoundCheck(GenericType instance, DartType typeArgument,
+    void addTypeVariableBoundCheck(GenericType instance, DartType typeArgument,
         TypeVariableType typeVariable, DartType bound) {
       if (definitelyFails) return;
 
       int subtypeRelation =
           compiler.types.computeSubtypeRelation(typeArgument, bound);
       if (subtypeRelation == Types.IS_SUBTYPE) return;
 
       String message = "Can't create an instance of malbounded type '$type': "
           "'${typeArgument}' is not a subtype of bound '${bound}' for "
           "type variable '${typeVariable}' of type "
@@ skipping 3283 matching lines @@
     if (unaliased is TypedefType) throw 'unable to unalias $type';
     unaliased.accept(this, builder);
   }
 
   void visitDynamicType(DynamicType type, SsaBuilder builder) {
     JavaScriptBackend backend = builder.compiler.backend;
     ClassElement cls = backend.helpers.DynamicRuntimeType;
     builder.push(new HDynamicType(type, new TypeMask.exact(cls, closedWorld)));
   }
 }