574   // Deduplicate the string, iff the GC supports string deduplication.

   574   // Deduplicate the string, iff the GC supports string deduplication.

   575   virtual void deduplicate_string(oop str);

   575   virtual void deduplicate_string(oop str);

   576 

   576 

   577   virtual bool is_oop(oop object) const;

   577   virtual bool is_oop(oop object) const;

   578 

   578 

   579   // Non product verification and debugging.

   581   // Non product verification and debugging.

   580 #ifndef PRODUCT

   582 #ifndef PRODUCT

   581   // Support for PromotionFailureALot.  Return true if it's time to cause a

   583   // Support for PromotionFailureALot.  Return true if it's time to cause a

   582   // promotion failure.  The no-argument version uses

   584   // promotion failure.  The no-argument version uses

   583   // this->_promotion_failure_alot_count as the counter.

   585   // this->_promotion_failure_alot_count as the counter.