1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -mlong-calls" } */
       3  /* { dg-final { scan-assembler-not "bl\[^\n\]*dump_stack" } } */
       4  
       5  extern void dump_stack (void) __attribute__ ((__cold__)) __attribute__ ((noinline));
       6  struct thread_info {
       7      struct task_struct *task;
       8  };
       9  extern struct thread_info *current_thread_info (void);
      10  extern int show_stack (struct task_struct *, unsigned long *);
      11  
      12  void dump_stack (void)
      13  {
      14    unsigned long stack;
      15    show_stack ((current_thread_info ()->task), &stack);
      16  }
      17  
      18  void die (char *str, void *fp, int nr)
      19  {
      20    if (nr)
      21      dump_stack ();
      22    while (1);
      23  }
      24