for (i = 0; i < backtrack.size(); i++)
if (backtrack[i] == true)
break;
- if (i >= backtrack.size())
- return THREAD_ID_T_NONE;
+ /* Backtrack set was empty? */
+ ASSERT(i != backtrack.size());
+
backtrack[i] = false;
numBacktracks--;
return int_to_id(i);