1  /* PR rtl-optimization/45695 */
       2  
       3  extern void abort (void);
       4  
       5  __attribute__((noinline)) void
       6  g (int x)
       7  {
       8    asm volatile ("" : "+r" (x));
       9  }
      10  
      11  __attribute__((noinline)) int
      12  f (int a, int b, int d)
      13  {
      14    int r = -1;
      15    b += d;
      16    if (d == a)
      17      r = b - d;
      18    g (b);
      19    return r;
      20  }
      21  
      22  int
      23  main (void)
      24  {
      25    int l;
      26    asm ("" : "=r" (l) : "0" (0));
      27    if (f (l + 0, l + 1, l + 4) != -1)
      28      abort ();
      29    if (f (l + 4, l + 1, l + 4) != 1)
      30      abort ();
      31    return 0;
      32  }