src/share/vm/gc/g1/heapRegionSet.cpp

*** 228,238 ****
        _tail = prev;
      } else {
        assert(_tail != curr, "%s", hrs_ext_msg(this, "invariant").buffer());
        next->set_prev(prev);
      }
!     if (_last = curr) {
        _last = NULL;
      }
  
      curr->set_next(NULL);
      curr->set_prev(NULL);
--- 228,238 ----
        _tail = prev;
      } else {
        assert(_tail != curr, "%s", hrs_ext_msg(this, "invariant").buffer());
        next->set_prev(prev);
      }
!     if (_last == curr) {
        _last = NULL;
      }
  
      curr->set_next(NULL);
      curr->set_prev(NULL);