// If this TSO is dirty and in an old generation, it better
// be on the mutable list.
// If this TSO is dirty and in an old generation, it better
// be on the mutable list.
if (tso->dirty || (tso->flags & TSO_LINK_DIRTY)) {
ASSERT(Bdescr((P_)tso)->gen_no == 0 || (tso->flags & TSO_MARKED));
tso->flags &= ~TSO_MARKED;
if (tso->dirty || (tso->flags & TSO_LINK_DIRTY)) {
ASSERT(Bdescr((P_)tso)->gen_no == 0 || (tso->flags & TSO_MARKED));
tso->flags &= ~TSO_MARKED;