654   }

   654   }

   655 

   655 

   656   if (pointer_delta(end_value, obj) >= size) {

   656   if (pointer_delta(end_value, obj) >= size) {

   657     HeapWord* new_top = obj + size;

   657     HeapWord* new_top = obj + size;

   658     set_top(new_top);

   658     set_top(new_top);

   660       "checking alignment");

   660       "checking alignment");

   661     return obj;

   661     return obj;

   662   } else {

   662   } else {

   663     set_top(obj);

   663     set_top(obj);

   664     return NULL;

   664     return NULL;