ZEND_WORKLIST_ALLOCA(&work, cfg->blocks_count, list_use_heap);
/* We don't materialize the DJ spanning tree explicitly, as we are only interested in ancestor
- * querties. These are implemented by checking entry/exit times of the DFS search. */
+ * queries. These are implemented by checking entry/exit times of the DFS search. */
entry_times = do_alloca(2 * sizeof(int) * cfg->blocks_count, tree_use_heap);
exit_times = entry_times + cfg->blocks_count;
memset(entry_times, -1, 2 * sizeof(int) * cfg->blocks_count);