1  /* PR sanitizer/65081 */
       2  /* { dg-do run } */
       3  /* { dg-skip-if "" { *-*-* } { "*" } { "-O2" } } */
       4  /* { dg-options "-fsanitize=object-size -fno-sanitize-recover=object-size" } */
       5  
       6  struct S
       7  {
       8    int a;
       9    char p[1];
      10  };
      11  
      12  struct S b;
      13  
      14  struct S *
      15  foo ()
      16  {
      17    struct S *i = &b;
      18    return i + 1;
      19  }
      20  
      21  int
      22  main (void)
      23  {
      24    struct S *i = foo () - 1;
      25    i->a = 1;
      26  }