Bump kMaxFastProperties (non-keyed assignments) to 128.

R=ishell@chromium.org

Review URL: https://codereview.chromium.org/238683004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20754 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/objects.h

@@ -2747,7 +2747,7 @@ class JSObject: public JSReceiver {
   static const int kInitialMaxFastElementArray = 100000;
 
   static const int kFastPropertiesSoftLimit = 12;
-  static const int kMaxFastProperties = 64;
+  static const int kMaxFastProperties = 128;
   static const int kMaxInstanceSize = 255 * kPointerSize;
   // When extending the backing storage for property values, we increase
   // its size by more than the 1 entry necessary, so sequentially adding fields