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/* PR tree-optimization/49279 */

extern void abort (void);

struct S { int a; int *__restrict p; };

__attribute__((noinline, noclone))

struct S *bar (struct S *p)

{

  struct S *r;

  asm volatile ("" : "=r" (r) : "0" (p) : "memory");

  return r;

}

__attribute__((noinline, noclone))

int

foo (int *p, int *q)

{

  struct S s, *t;

  s.a = 1;

  s.p = p;

  t = bar (&s);

  t->p = q;

  s.p[0] = 0;

  t->p[0] = 1;

  return s.p[0];

}

int

main ()

{

  int a, b;

  if (foo (&a, &b) != 1)

    abort ();

  return 0;

}