src/hotspot/share/gc/z/zForwarding.cpp

*** 67,81 ****
      guarantee(entry.from_index() < _page->object_max_count(), "Invalid from index");
  
      // Check for duplicates
      for (ZForwardingCursor j = i + 1; j < _entries.length(); j++) {
        const ZForwardingEntry other = at(&j);
-       if (!other.populated()) {
-         // Skip empty entries
-         continue;
-       }
- 
        guarantee(entry.from_index() != other.from_index(), "Duplicate from");
        guarantee(entry.to_offset() != other.to_offset(), "Duplicate to");
      }
  
      live_objects++;
--- 67,76 ----