1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -ftree-vectorize" } */
       3  
       4  int cont (void);
       5  
       6  void
       7  f (int (*x)[3], int *a, int *b, int *c, int n)
       8  {
       9    do
      10      for (int i = 0; i < n; ++i)
      11        {
      12  	x[i][0] = a[i] + 1;
      13  	x[i][1] = b[i] + 2;
      14  	x[i][2] = c[i] + 3;
      15        }
      16    while (cont ());
      17  }
      18  
      19  /* { dg-final { scan-assembler-not {\tstr\tz[0-9]} } } */