HelenOS sources

payload_tag_t      53 uspace/lib/cpp/include/__bits/memory/shared_payload.hpp     inline constexpr payload_tag_t payload_tag{};
payload_tag_t     377 uspace/lib/cpp/include/__bits/memory/shared_ptr.hpp             shared_ptr(aux::payload_tag_t, aux::shared_payload_base<element_type>* payload)