1  /* PR tree-optimization/23818 */
       2  /* { dg-do run } */
       3  /* { dg-options "-O2 -fno-tree-dominator-opts" } */
       4  
       5  #include <stdarg.h>
       6  
       7  extern void abort (void);
       8  
       9  void
      10  foo (int p[100], int k, ...)
      11  {
      12    int j, *q;
      13    va_list ap;
      14  
      15    va_start (ap, k);
      16    q = va_arg (ap, int *);
      17    for (j = 0; j < 100; j++)
      18      q[j] = p[j] + 10;
      19    va_end(ap);
      20  }
      21  
      22  int
      23  main (void)
      24  {
      25    int buf[100], buf2[100], i;
      26    for (i = 0; i < 100; i++)
      27      buf[i] = i + 1;
      28    foo (buf, 0, buf2);
      29    for (i = 0; i < 100; i++)
      30      if (buf2[i] != buf[i] + 10)
      31        abort ();
      32    return 0;
      33  }