588     return ub;

   588     return ub;

   589   }

   589   }

   590 

   590 

   591   // Otherwise, find the block start using the table, but taking

   591   // Otherwise, find the block start using the table, but taking

   592   // care (cf block_start_unsafe() above) not to parse any objects/blocks

   592   // care (cf block_start_unsafe() above) not to parse any objects/blocks

   594   size_t index = _array->index_for(addr);

   594   size_t index = _array->index_for(addr);

   595   assert(_array->address_for_index(index) == addr,

   595   assert(_array->address_for_index(index) == addr,

   596          "arg should be start of card");

   596          "arg should be start of card");

   597 

   597 

   598   HeapWord* q = (HeapWord*)addr;

   598   HeapWord* q = (HeapWord*)addr;