Relax restrictions on CONSTANT_FUNCTION descriptors in TransformPropertiesToFastFor.

src/objects.cc

 // 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 13252 matching lines @@
 
   // Compute the length of the instance descriptor.
   int capacity = Capacity();
   for (int i = 0; i < capacity; i++) {
     Object* k = KeyAt(i);
     if (IsKey(k)) {
       Object* value = ValueAt(i);
       PropertyType type = DetailsAt(i).type();
       ASSERT(type != FIELD);
       instance_descriptor_length++;
-      if (type == NORMAL &&
-          (!value->IsJSFunction() || heap->InNewSpace(value))) {
+      if (type == NORMAL && !value->IsJSFunction()) {
         number_of_fields += 1;
       }
     }
   }
 
   int inobject_props = obj->map()->inobject_properties();
 
   // Allocate new map.
   Map* new_map;
   MaybeObject* maybe_new_map = obj->map()->CopyDropDescriptors();
@@ skipping 44 matching lines @@
       // Ensure the key is a symbol before writing into the instance descriptor.
       String* key;
       MaybeObject* maybe_key = heap->LookupSymbol(String::cast(k));
       if (!maybe_key->To(&key)) return maybe_key;
 
       PropertyDetails details = DetailsAt(i);
       ASSERT(details.descriptor_index() == details.dictionary_index());
       int enumeration_index = details.descriptor_index();
       PropertyType type = details.type();
 
-      if (value->IsJSFunction() && !heap->InNewSpace(value)) {
+      if (value->IsJSFunction()) {
         ConstantFunctionDescriptor d(key,
                                      JSFunction::cast(value),
                                      details.attributes(),
                                      enumeration_index);
         descriptors->Set(enumeration_index - 1, &d, witness);
       } else if (type == NORMAL) {
         if (current_offset < inobject_props) {
           obj->InObjectPropertyAtPut(current_offset,
                                      value,
                                      UPDATE_WRITE_BARRIER);
@@ skipping 534 matching lines @@
   set_year(Smi::FromInt(year), SKIP_WRITE_BARRIER);
   set_month(Smi::FromInt(month), SKIP_WRITE_BARRIER);
   set_day(Smi::FromInt(day), SKIP_WRITE_BARRIER);
   set_weekday(Smi::FromInt(weekday), SKIP_WRITE_BARRIER);
   set_hour(Smi::FromInt(hour), SKIP_WRITE_BARRIER);
   set_min(Smi::FromInt(min), SKIP_WRITE_BARRIER);
   set_sec(Smi::FromInt(sec), SKIP_WRITE_BARRIER);
 }
 
 } }  // namespace v8::internal