Increase the size of the getter/setter closure caches.

runtime/lib/mirrors_impl.dart

 // Copyright (c) 2012, 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.
 
 // VM-specific implementation of the dart:mirrors library.
 
 import "dart:collection" show UnmodifiableListView, UnmodifiableMapView;
 import "dart:_internal" show LRUMap;
 
 final emptyList = new UnmodifiableListView([]);
@@ skipping 281 matching lines @@
     return other is _LocalInstanceMirror &&
            identical(_reflectee, other._reflectee);
   }
 
   int get hashCode {
     // Avoid hash collisions with the reflectee. This constant is in Smi range
     // and happens to be the inner padding from RFC 2104.
     return identityHashCode(_reflectee) ^ 0x36363636;
   }
 
-  static var _getFieldClosures = new LRUMap.withShift(7);
-  static var _setFieldClosures = new LRUMap.withShift(7);
-  static var _getFieldCallCounts = new LRUMap.withShift(8);
-  static var _setFieldCallCounts = new LRUMap.withShift(8);
+  static var _getFieldClosures = new LRUMap.withShift(9);
+  static var _setFieldClosures = new LRUMap.withShift(9);
+  static var _getFieldCallCounts = new LRUMap.withShift(10);
+  static var _setFieldCallCounts = new LRUMap.withShift(10);
   static const _closureThreshold = 20;
 
   _getFieldSlow(unwrapped) {
     // Slow path factored out to give the fast path a better chance at being
     // inlined.
     var callCount = _getFieldCallCounts[unwrapped];
     if (callCount == null) {
       callCount = 0;
     }
     if (callCount == _closureThreshold) {
@@ skipping 1253 matching lines @@
     if (typeMirror == null) {
       typeMirror = makeLocalTypeMirror(key);
       _instanitationCache[key] = typeMirror;
       if (typeMirror is ClassMirror && !typeMirror._isGeneric) {
         _declarationCache[key] = typeMirror;
       }
     }
     return typeMirror;
   }
 }