mc_pair_stateless_t pair;
MC_SET_RAW_MEM;
while ((pair = (mc_pair_stateless_t) xbt_fifo_pop(stack)) != NULL)
MC_pair_stateless_delete(pair);
MC_UNSET_RAW_MEM;
mc_pair_stateless_t pair;
MC_SET_RAW_MEM;
while ((pair = (mc_pair_stateless_t) xbt_fifo_pop(stack)) != NULL)
MC_pair_stateless_delete(pair);
MC_UNSET_RAW_MEM;