gcc/testsuite/gcc.c-torture/compile/20071108-1.c

   1 /* PR tree-optimization/33680 */
   2 /* { dg-require-effective-target alloca } */
   3
   4 int
   5 f (int dim, int *b, int *c)
   6 {
   7   int newcentroid[3][dim];
   8   int *a = newcentroid[2];
   9   int i, dist = 0;
  10   __builtin_memcpy (newcentroid, c, sizeof (newcentroid));
  11   for (i = 0; i < dim; i++)
  12     dist += (a[i] - b[i]) * (a[i] - b[i]);
  13   return dist;
  14 }