typeInformation in CreateInstance is a kind of TypeExpression

pkg/compiler/lib/src/cps_ir/cps_ir_nodes_sexpr.dart

 // Copyright (c) 2014, 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.ir_nodes_sexpr;
 
 import '../constants/values.dart';
 import '../util/util.dart';
 import 'cps_ir_nodes.dart';
 import '../universe/call_structure.dart' show
@@ skipping 295 matching lines @@
     return '(GetLazyStatic $element)';
   }
 
   String visitCreateBox(CreateBox node) {
     return '(CreateBox)';
   }
 
   String visitCreateInstance(CreateInstance node) {
     String className = node.classElement.name;
     String arguments = node.arguments.map(access).join(' ');
-    String typeInformation = node.typeInformation.map(access).join(' ');
+    String typeInformation = optionalAccess(node.typeInformation);
     return '(CreateInstance $className ($arguments) ($typeInformation))';
   }
 
   String visitInterceptor(Interceptor node) {
     return '(Interceptor ${access(node.input)})';
   }
 
   String visitReifyRuntimeType(ReifyRuntimeType node) {
     return '(ReifyRuntimeType ${access(node.value)})';
   }
@@ skipping 185 matching lines @@
   void setReturnContinuation(Continuation node) {
     assert(!_names.containsKey(node) || _names[node] == 'return');
     _names[node] = 'return';
   }
 
   String getName(Node node) {
     if (!_names.containsKey(node)) return 'MISSING_NAME';
     return _names[node];
   }
 }