/* Limit this to known non-strict alignment targets.  */
/* { dg-do run { target { i?86-*-linux* x86_64-*-linux* } } } */
/* { dg-options "-O -fsanitize=alignment -fsanitize-undefined-trap-on-error -Wno-address-of-packed-member -fdump-tree-sanopt-details" } */
/* { dg-skip-if "" { *-*-* } { "-flto -fno-fat-lto-objects" } } */
/* { dg-shouldfail "ubsan" } */

struct S { int a; char b; long long c; short d[10]; };
struct T { char a; long long b; };
struct U { char a; int b; int c; long long d; struct S e; struct T f; } __attribute__((packed));
struct V { long long a; struct S b; struct T c; struct U u; } v;

__attribute__((noinline, noclone)) int
foo (struct S *p)
{
  volatile int i;
  i = p->a;
  i = p->a;
  i = p->a;
  i = p->a;
  return p->a;
}

int
main ()
{
  if (foo (&v.u.e))
    __builtin_abort ();
  return 0;
}

/* { dg-final { scan-tree-dump-times "Optimizing" 4 "sanopt"} } */