gcc/4.2.2/libmudflap/testsuite/libmudflap.c/heap-scalestress.c:44-51

   44:             {                  /* add at tail */
   45:               p->next = NULL;
   46:               if (NULL != tail)
   47:                 tail->next = p;
   48:               else
   49:                 head = p;
   50:               tail = p;
   51:             }