AddFastPropertyUsingMap 2782 src/objects.cc           return self->AddFastPropertyUsingMap(transition_map,
AddFastPropertyUsingMap 2903 src/objects.cc           return AddFastPropertyUsingMap(transition_map,
AddFastPropertyUsingMap 1912 src/objects.h    MUST_USE_RESULT MaybeObject* AddFastPropertyUsingMap(Map* new_map,