HAMMER2_CHAIN_NOTTESTED
atomic_set_int(&chain->flags, HAMMER2_CHAIN_NOTTESTED);
atomic_clear_int(&chain->flags, HAMMER2_CHAIN_NOTTESTED);
if (chain->flags & HAMMER2_CHAIN_NOTTESTED)
atomic_set_int(&chain->flags, HAMMER2_CHAIN_NOTTESTED);
atomic_clear_int(&chain->flags, HAMMER2_CHAIN_NOTTESTED);
if (chain->flags & HAMMER2_CHAIN_NOTTESTED)