Handle signature types and fields in kernel_impact

pkg/compiler/lib/src/ssa/builder_kernel.dart

 // Copyright (c) 2016, 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 'package:kernel/ast.dart' as ir;
 
 import '../common.dart';
 import '../common/codegen.dart' show CodegenRegistry, CodegenWorkItem;
 import '../common/tasks.dart' show CompilerTask;
 import '../compiler.dart';
@@ skipping 67 matching lines @@
     graph.sourceInformation =
         sourceInformationBuilder.buildVariableDeclaration();
     this.localsHandler =
         new LocalsHandler(this, functionElement, null, compiler);
     this.astAdapter = new KernelAstAdapter(
         compiler.backend,
         resolvedAst,
         kernel.nodeToAst,
         kernel.nodeToElement,
         kernel.functions,
+        kernel.fields,
         kernel.classes,
         kernel.libraries);
   }
 
   HGraph build() {
     // TODO(het): no reason to do this here...
     HInstruction.idCounter = 0;
     if (function.kind == ir.ProcedureKind.Method ||
         function.kind == ir.ProcedureKind.Operator) {
       buildMethod(function, functionElement);
@@ skipping 200 matching lines @@
   visitThisExpression(ir.ThisExpression thisExpression) {
     stack.add(localsHandler.readThis());
   }
 
   @override
   visitNot(ir.Not not) {
     not.operand.accept(this);
     push(new HNot(popBoolified(), backend.boolType));
   }
 }