Fix inconsistency with LinkedReference.numTypeParameters

pkg/analyzer/lib/src/summary/resynthesize.dart

 // Copyright (c) 2015, 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 summary_resynthesizer;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
@@ skipping 2027 matching lines @@
           locationComponents =
               enclosingInfo.element.location.components.toList();
           locationComponents.add(identifier);
         } else {
           String identifier = _getElementIdentifier(name, linkedReference.kind);
           locationComponents = getReferencedLocationComponents(
               linkedReference.dependency, linkedReference.unit, identifier);
         }
         ElementLocation location =
             new ElementLocationImpl.con3(locationComponents);
+        if (enclosingInfo != null) {
+          numTypeParameters += enclosingInfo.numTypeParameters;
+        }
         switch (linkedReference.kind) {
           case ReferenceKind.classOrEnum:
             element = new ClassElementHandle(summaryResynthesizer, location);
             break;
           case ReferenceKind.constructor:
             assert(location.components.length == 4);
             element =
                 new ConstructorElementHandle(summaryResynthesizer, location);
-            numTypeParameters = enclosingInfo.numTypeParameters;
             break;
           case ReferenceKind.length:
             element = _buildStringLengthPropertyAccessorElement();
             break;
           case ReferenceKind.method:
             assert(location.components.length == 4);
             element = new MethodElementHandle(summaryResynthesizer, location);
             break;
           case ReferenceKind.propertyAccessor:
             assert(location.components.length == 4);
@@ skipping 315 matching lines @@
                 }
               : () => this.element;
       // TODO(paulberry): Is it a bug that we have to pass `false` for
       // isInstantiated?
       return new DeferredFunctionTypeImpl(computer, null, typeArguments, false);
     } else {
       return null;
     }
   }
 }