More features handled in kernel impact.

pkg/compiler/lib/src/ssa/kernel_impact.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 '../compiler.dart';
 import '../constants/expressions.dart';
 import '../dart_types.dart';
 import '../elements/elements.dart';
 import '../js_backend/backend.dart' show JavaScriptBackend;
 import '../kernel/kernel.dart';
+import '../kernel/kernel_debug.dart';
 import '../kernel/kernel_visitor.dart';
 import '../resolution/registry.dart' show ResolutionWorldImpactBuilder;
 import '../universe/feature.dart';
+import '../universe/selector.dart';
 import '../universe/use.dart';
 
 import 'kernel_ast_adapter.dart';
 import '../common/resolution.dart';
 
 /// Computes the [ResolutionImpact] for [resolvedAst] through kernel.
 ResolutionImpact build(Compiler compiler, ResolvedAst resolvedAst) {
   AstElement element = resolvedAst.element.implementation;
   JavaScriptBackend backend = compiler.backend;
   Kernel kernel = backend.kernelTask.kernel;
@@ skipping 187 matching lines @@
 
   @override
   void visitMethodInvocation(ir.MethodInvocation invocation) {
     invocation.receiver.accept(this);
     _visitArguments(invocation.arguments);
     impactBuilder.registerDynamicUse(
         new DynamicUse(astAdapter.getSelector(invocation), null));
   }
 
   @override
+  void visitPropertyGet(ir.PropertyGet node) {
+    node.receiver.accept(this);
+    impactBuilder.registerDynamicUse(new DynamicUse(
+        new Selector.getter(astAdapter.getName(node.name)), null));
+  }
+
+  @override
+  void visitPropertySet(ir.PropertySet node) {
+    node.receiver.accept(this);
+    node.value.accept(this);
+    impactBuilder.registerDynamicUse(new DynamicUse(
+        new Selector.setter(astAdapter.getName(node.name)), null));
+  }
+
+  @override
   void visitNot(ir.Not not) {
     not.operand.accept(this);
   }
+
+  @override
+  void visitAssertStatement(ir.AssertStatement node) {
+    impactBuilder.registerFeature(
+        node.message != null ? Feature.ASSERT_WITH_MESSAGE : Feature.ASSERT);
+    node.visitChildren(this);
+  }
+
+  @override
+  void defaultNode(ir.Node node) => node.visitChildren(this);
 }