pymonotonic(_PyTime_timeval *tp, _Py_clock_info_t *info, int raise)
{
#ifdef Py_DEBUG
- static _PyTime_timeval last = {-1, -1};
+ static _PyTime_timeval last = {0, -1};
#endif
#if defined(MS_WINDOWS)
static ULONGLONG (*GetTickCount64) (void) = NULL;
assert(0 <= tp->tv_usec && tp->tv_usec < 1000 * 1000);
#ifdef Py_DEBUG
/* monotonic clock cannot go backward */
- assert(tp->tv_sec > last.tv_sec
+ assert(last.tv_usec == -1
+ || tp->tv_sec > last.tv_sec
|| (tp->tv_sec == last.tv_sec && tp->tv_usec >= last.tv_usec));
last = *tp;
#endif