rev 13453 : imported patch Atomic_add
@@ -241,11 +241,11 @@ return; } bool marked_as_dirty = Atomic::cmpxchg(Dirty, &_in_dirty_region_buffer[region], Clean) == Clean; if (marked_as_dirty) { - size_t allocated = Atomic::add(1, &_cur_dirty_region) - 1; + size_t allocated = Atomic::add(1u, &_cur_dirty_region) - 1; _dirty_region_buffer[allocated] = region; } } HeapWord* scan_top(uint region_idx) const {