// Explore interleavings of seqcst writes to guarantee total order
// of seq_cst operations that don't commute
if (is_write() && is_seqcst() && act->is_write() && act->is_seqcst())
// Explore interleavings of seqcst writes to guarantee total order
// of seq_cst operations that don't commute
if (is_write() && is_seqcst() && act->is_write() && act->is_seqcst())