1  /* PR tree-optimization/84339 */
       2  
       3  struct S { int a; char b[1]; };
       4  
       5  __attribute__((noipa)) int
       6  foo (struct S *p)
       7  {
       8    return __builtin_strlen (&p->b[0]);
       9  }
      10  
      11  __attribute__((noipa)) int
      12  bar (struct S *p)
      13  {
      14    return __builtin_strlen (p->b);
      15  }
      16  
      17  int
      18  main ()
      19  {
      20    struct S *p = __builtin_malloc (sizeof (struct S) + 16);
      21    if (p)
      22      {
      23        p->a = 1;
      24        __builtin_strcpy (p->b, "abcdefg");
      25        if (foo (p) != 7 || bar (p) != 7)
      26  	__builtin_abort ();
      27        __builtin_free (p);
      28      }
      29    return 0;
      30  }