1  /* { dg-do run } */
       2  /* { dg-options "-O -fdump-tree-esra-details" } */
       3  
       4  volatile short vs;
       5  volatile long vl;
       6  
       7  struct A { short s; long i; long j; };
       8  struct A a, b;
       9  void foo ()
      10  {
      11    struct A c;
      12    __builtin_memcpy (&c, &b, sizeof (struct A));
      13    __builtin_memcpy (&a, &c, sizeof (struct A));
      14  
      15    vs = c.s;
      16    vl = c.i;
      17    vl = c.j;
      18  }
      19  
      20  
      21  int main()
      22  {
      23    if ((sizeof (short) != 2)
      24        || (__builtin_offsetof (struct A, i) < 4))
      25      return 0;
      26  
      27    __builtin_memset (&b, 0, sizeof (struct A));
      28    b.s = 1;
      29    __builtin_memcpy ((char *)&b+2, &b, 2);
      30    foo ();
      31    __builtin_memcpy (&a, (char *)&a+2, 2);
      32    if (a.s != 1)
      33      __builtin_abort ();
      34    return 0;
      35  }
      36  
      37  /* { dg-final { scan-tree-dump-not "Will attempt to totally scalarize" "esra" } } */