Lazily compute boundfunction .name and .length if possible

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 5377 matching lines @@
   set_constructor_or_backpointer(constructor, mode);
 }
 
 
 Handle<Map> Map::CopyInitialMap(Handle<Map> map) {
   return CopyInitialMap(map, map->instance_size(), map->GetInObjectProperties(),
                         map->unused_property_fields());
 }
 
 
-ACCESSORS(JSBoundFunction, length, Object, kLengthOffset)
-ACCESSORS(JSBoundFunction, name, Object, kNameOffset)
 ACCESSORS(JSBoundFunction, bound_target_function, JSReceiver,
           kBoundTargetFunctionOffset)
 ACCESSORS(JSBoundFunction, bound_this, Object, kBoundThisOffset)
 ACCESSORS(JSBoundFunction, bound_arguments, FixedArray, kBoundArgumentsOffset)
 
 ACCESSORS(JSFunction, shared, SharedFunctionInfo, kSharedFunctionInfoOffset)
 ACCESSORS(JSFunction, literals, LiteralsArray, kLiteralsOffset)
 ACCESSORS(JSFunction, next_function_link, Object, kNextFunctionLinkOffset)
 
 ACCESSORS(JSGlobalObject, native_context, Context, kNativeContextOffset)
@@ skipping 2392 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_