gcc/testsuite/gcc.dg/graphite/pr46970.c

/* { dg-do run } */
/* { dg-options "-Os -ftree-loop-linear" } */

#define N 16

int
main1 (int n, int *a)
{
  int i, j;

  for (i = 0; i < n; i++)
    for (j = 0; j < n; j++)
      a[j] = i + n;

  for (j = 0; j < n; j++)
    if (a[j] != i + n - 1)
      __builtin_abort ();

  return 0;
}

int
main ()
{
  int a[N];
  main1 (N, a);
  return 0;
}