Fix for searching constructor references.

pkg/analyzer/lib/src/generated/resolver.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 engine.resolver;
 
 import "dart:math" as math;
 import 'dart:collection';
 
 import 'package:analyzer/src/generated/utilities_collection.dart';
@@ skipping 2588 matching lines @@
     }
     if (body.isGenerator) {
       element.generator = true;
     }
     _currentHolder.addConstructor(element);
     node.element = element;
     if (constructorName == null) {
       Identifier returnType = node.returnType;
       if (returnType != null) {
         element.nameOffset = returnType.offset;
+        element.nameEnd = returnType.end;
       }
     } else {
       constructorName.staticElement = element;
+      element.periodOffset = node.period.offset;
+      element.nameEnd = constructorName.end;
     }
     holder.validate();
     return null;
   }
 
   @override
   Object visitDeclaredIdentifier(DeclaredIdentifier node) {
     SimpleIdentifier variableName = node.identifier;
     sc.Token keyword = node.keyword;
     LocalVariableElementImpl element =
@@ skipping 13071 matching lines @@
    * library.
    */
   final HashSet<String> members = new HashSet<String>();
 
   /**
    * Names of resolved or unresolved class members that are read in the
    * library.
    */
   final HashSet<String> readMembers = new HashSet<String>();
 }