[heap] Use the thread-safe free modes also for RemoveRange in SlotSet.

src/heap/mark-compact.cc

Index: src/heap/mark-compact.cc
diff --git a/src/heap/mark-compact.cc b/src/heap/mark-compact.cc
index 7e5ef96fc9889cbcf3d7ea9dbfb3a7202383373b..1255cb09b86415a1e27f9f1a006a92c8e6e3e671 100644
--- a/src/heap/mark-compact.cc
+++ b/src/heap/mark-compact.cc
@@ -3480,7 +3480,8 @@ bool MarkCompactCollector::VisitLiveObjects(MemoryChunk* page, Visitor* visitor,
             page->AddressToMarkbitIndex(object->address()));
         if (page->old_to_new_slots() != nullptr) {
           page->old_to_new_slots()->RemoveRange(
-              0, static_cast<int>(object->address() - page->address()));
+              0, static_cast<int>(object->address() - page->address()),
+              SlotSet::PREFREE_EMPTY_BUCKETS);
         }
         if (page->typed_old_to_new_slots() != nullptr) {
           RememberedSet<OLD_TO_NEW>::RemoveRangeTyped(page, page->address(),