1  /* PR tree-optimization/79972 */
       2  /* { dg-do compile } */
       3  /* { dg-require-effective-target alloca } */
       4  /* { dg-options "-Walloca -Wvla-larger-than=10000" } */
       5  
       6  int
       7  f (int dim, int *b, int *c)
       8  {
       9    /* -Wvla-larger-than is only issued with optimization (see PR 100510).  */
      10    int newcentroid[3][dim];
      11    int *a = newcentroid[2];
      12    int i, dist = 0;
      13    __builtin_memcpy (newcentroid, c, sizeof (newcentroid));
      14    for (i = 0; i < dim; i++)
      15      dist += (a[i] - b[i]) * (a[i] - b[i]);
      16    return dist;
      17  }