Bump kMaxFastProperties (non-keyed assignments) to 128.

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2729 matching lines @@
 
   // Same as above but for old arrays. This limit is more strict. We
   // don't want to be wasteful with long lived objects.
   static const int kMaxUncheckedOldFastElementsLength = 500;
 
   // Note that Page::kMaxRegularHeapObjectSize puts a limit on
   // permissible values (see the ASSERT in heap.cc).
   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
   // to the same object requires fewer allocations and copies.
   static const int kFieldsAdded = 3;
 
   // Layout description.
   static const int kPropertiesOffset = HeapObject::kHeaderSize;
   static const int kElementsOffset = kPropertiesOffset + kPointerSize;
   static const int kHeaderSize = kElementsOffset + kPointerSize;
@@ skipping 8296 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_