1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  /* { dg-final { scan-tree-dump-times "memmove" 3 "optimized" } } */
       4  
       5  char a[40];
       6  struct A { char a[30]; };
       7  
       8  void
       9  foo (struct A *p, char *q, char *r)
      10  {
      11    char b[10];
      12    __builtin_memmove (&a[1], &a[19], 20);
      13    __builtin_memmove (&p->a[1], &p->a[9], 10);
      14    __builtin_memmove (q, r, 9);
      15  }