src/hotspot/share/utilities/concurrentHashTableTasks.inline.hpp

@@ -51,11 +51,11 @@
     : _cht(cht), _next_to_claim(0), _task_size_log2(DEFAULT_TASK_SIZE_LOG2),
     _stop_task(0), _size_log2(0), _is_mt(is_mt) {}
 
   // Returns true if you succeeded to claim the range start -> (stop-1).
   bool claim(size_t* start, size_t* stop) {
-    size_t claimed = Atomic::add((size_t)1, &_next_to_claim) - 1;
+    size_t claimed = Atomic::add(&_next_to_claim, (size_t)1) - 1;
     if (claimed >= _stop_task) {
       return false;
     }
     *start = claimed * (((size_t)1) << _task_size_log2);
     *stop  = ((*start) + (((size_t)1) << _task_size_log2));