1  /* PR target/82703 */
       2  /* { dg-do run } */
       3  /* { dg-options "-O2 -fno-tree-sra -ftree-vectorize" } */
       4  
       5  __attribute__((noinline, noclone)) void
       6  compare (const double *p, const double *q)
       7  {
       8    for (int i = 0; i < 3; ++i)
       9      if (p[i] != q[i])
      10        __builtin_abort ();
      11  }
      12  
      13  double vr[3] = { 4, 4, 4 };
      14  
      15  int
      16  main ()
      17  {
      18    double v1[3] = { 1, 2, 3 };
      19    double v2[3] = { 3, 2, 1 };
      20    double v3[3];
      21    __builtin_memcpy (v3, v1, sizeof (v1));
      22    for (int i = 0; i < 3; ++i)
      23      v3[i] += v2[i];
      24    for (int i = 0; i < 3; ++i)
      25      v1[i] += v2[i];
      26    compare (v3, vr);
      27    return 0;
      28  }