/* PR opt/7409.  */extern void abort (void);char g_list[] = { '1' };void g (void *p, char *list, int length, char **elementPtr, char **nextPtr){  if (*nextPtr != g_list)    abort ();  **nextPtr = 0;}int main (void){  char *list = g_list;  char *element;  int i, length = 100;  for (i = 0; *list != 0; i++)     {      char *prevList = list;      g (0, list, length, &element, &list);      length -= (list - prevList);    }  return 0;}