p = (l.stack_addr != 0);
p = l.stack_addr_p;
frame_id_p (struct frame_id l){  int p;  /* The .code can be NULL but the .stack cannot.  */  p = (l.stack_addr != 0);  if (frame_debug)    {      fprintf_unfiltered (gdb_stdlog, "{ frame_id_p (l=");      fprint_frame_id (gdb_stdlog, l);      fprintf_unfiltered (gdb_stdlog, ") -> %d }\n", p);    }  return p;}