2622     int descriptors, bool constant_to_field, Representation old_representation,  in PrintGeneralization()  argument
2638     os << old_representation.Mnemonic() << "{";  in PrintGeneralization()
3344     Representation old_representation = old_details.representation();  in MigrateFastToFast()  local
3358       DCHECK(!old_representation.IsDouble() && !representation.IsDouble());  in MigrateFastToFast()
3368         if (!old_representation.IsDouble() && representation.IsDouble()) {  in MigrateFastToFast()
3369           if (old_representation.IsNone()) {  in MigrateFastToFast()
3373         } else if (old_representation.IsDouble() &&  in MigrateFastToFast()
3375           value = Object::WrapForRead(isolate, value, old_representation);  in MigrateFastToFast()
3905   Representation old_representation =  in GeneralizeFieldType()  local
3910   if (old_representation.Equals(new_representation) &&  in GeneralizeFieldType()
3915     DCHECK(Map::GeneralizeFieldType(old_representation, old_field_type,  in GeneralizeFieldType()
3928       Map::GeneralizeFieldType(old_representation, old_field_type,  in GeneralizeFieldType()
4017     Representation old_representation = old_details.representation();  in Reconfigure()  local
4019     if (old_representation.IsNone()) {  in Reconfigure()
4027             old_map->NumberOfOwnDescriptors(), false, old_representation,  in Reconfigure()
4154             Representation old_representation = old_details.representation();  in Reconfigure()  local
4156                 old_representation, old_field_type, new_representation,  in Reconfigure()