src/hotspot/share/gc/z/zAddress.inline.hpp

*** 68,77 ****
--- 68,81 ----
  
  inline bool ZAddress::is_marked(uintptr_t value) {
    return value & ZAddressMetadataMarked;
  }
  
+ inline bool ZAddress::is_marked_or_null(uintptr_t value) {
+   return is_marked(value) || is_null(value);
+ }
+ 
  inline bool ZAddress::is_finalizable(uintptr_t value) {
    return value & ZAddressMetadataFinalizable;
  }
  
  inline bool ZAddress::is_finalizable_good(uintptr_t value) {