1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-fre1" } */
       3  
       4  typedef int v4si __attribute__((vector_size(__SIZEOF_INT__ * 4)));
       5  int foo (int *a)
       6  {
       7    a[2] = 2;
       8    a[0] = 0;
       9    a[1] = 1;
      10    a[3] = 4;
      11    v4si x = *(v4si *)a;
      12    *(v4si *)&a[4] = x;
      13    return a[4] + a[7];
      14  }
      15  
      16  /* { dg-final { scan-tree-dump "return 4;" "fre1" } } */