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*** 157,10 ***
--- 157,12 ---
    inline bool is_marked(HeapWord* addr) const;
    inline bool is_marked_strong(HeapWord* w)  const;
    inline bool is_marked_weak(HeapWord* addr) const;
+   bool is_bitmap_clear_range(const HeapWord* start, const HeapWord* end) const;
    // Return the address corresponding to the next marked bit at or after
    // "addr", and before "limit", if "limit" is non-NULL.  If there is no
    // such bit, returns "limit" if that is non-NULL, or else "endWord()".
    HeapWord* get_next_marked_addr(const HeapWord* addr,
                                   const HeapWord* limit) const;
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