gcc/cp/tree.c

932   static int ring_counter;
947   if (++ring_counter == PRINT_RING_SIZE)
948     ring_counter = 0;
952       if (decl_ring[ring_counter] == current_function_decl)
953 	ring_counter += 1;
954       if (ring_counter == PRINT_RING_SIZE)
955 	ring_counter = 0;
956       gcc_assert (decl_ring[ring_counter] != current_function_decl);
959   if (print_ring[ring_counter])
960     free (print_ring[ring_counter]);
962   print_ring[ring_counter] = xstrdup (lang_decl_name (decl, v));
963   decl_ring[ring_counter] = decl;
964   return print_ring[ring_counter];