1  /* { dg-do run } */
       2  /* { dg-options "-O" } */
       3  /* { dg-require-effective-target indirect_jumps } */
       4  
       5  #include <setjmp.h>
       6  
       7  extern void abort (void);
       8  
       9  jmp_buf buf;
      10  
      11  void raise0(void)
      12  {
      13    __builtin_longjmp (buf, 1);
      14  }
      15  
      16  int execute(int cmd)
      17  {
      18    int last = 0;
      19  
      20    if (__builtin_setjmp (buf) == 0)
      21      while (1)
      22        {
      23  	last = 1;
      24  	raise0 ();
      25        }
      26  
      27    if (last == 0)
      28      return 0;
      29    else
      30      return cmd;
      31  }
      32  
      33  int main(void)
      34  {
      35    if (execute (1) == 0)
      36      abort ();
      37  
      38    return 0;
      39  }