Subversion Repositories openrisc

/* PR c++/34459 */

extern void abort (void);

extern void *memset (void *s, int c, __SIZE_TYPE__ n);

struct S

{

  char s[25];

};

struct S *p;

void __attribute__((noinline))

foo (struct S *x, int set)

{

  int i;

  for (i = 0; i < sizeof (x->s); ++i)

    if (x->s[i] != 0)

      abort ();

    else if (set)

      x->s[i] = set;

  p = x;

}

void __attribute__((noinline))

test1 (void)

{

  struct S a;

  memset (&a.s, '\0', sizeof (a.s));

  foo (&a, 0);

  struct S b = a;

  foo (&b, 1);

  b = a;

  b = b;

  foo (&b, 0);

}

void __attribute__((noinline))

test2 (void)

{

  struct S a;

  memset (&a.s, '\0', sizeof (a.s));

  foo (&a, 0);

  struct S b = a;

  foo (&b, 1);

  b = a;

  b = *p;

  foo (&b, 0);

}

void __attribute__((noinline))

test3 (void)

{

  struct S a;

  memset (&a.s, '\0', sizeof (a.s));

  foo (&a, 0);

  struct S b = a;

  foo (&b, 1);

  *p = a;

  *p = b;

  foo (&b, 0);

}

int

main (void)

{

  test1 ();

  test2 ();

  test3 ();

  return 0;

}