xbt_fifo_foreach(mc_stack, item, prev_state, mc_state_t) {
if (MC_request_depend(req, MC_state_get_internal_request(prev_state))) {
if (XBT_LOG_ISENABLED(mc_safety, xbt_log_priority_debug)) {
xbt_fifo_foreach(mc_stack, item, prev_state, mc_state_t) {
if (MC_request_depend(req, MC_state_get_internal_request(prev_state))) {
if (XBT_LOG_ISENABLED(mc_safety, xbt_log_priority_debug)) {