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/* { dg-options "-O2  -Wuninitialized" } */

struct S { char *s1; long s2; };

struct T { int t1; long t2; long t3; };

extern int fn2 (void);

extern int fn3 (struct T);

extern struct T fn4 ();

extern int fn5 (char **, long *, int);

extern void fn6 (void);

extern void fn7 (void *);

struct S *fn10 ();

static int p;

static void *q;

extern struct T r;

static struct T

fn8 (struct T x, int y)

{

  struct S *u = fn10 ();

  int v = fn5 (&u->s1, &u->s2, 0);

  while (1)

    {

      if (p)

fn6 ();

      if (fn3 (x))

return fn4 ();

      if (y & 1)

return r;

      v = fn5 (&u->s1, &u->s2, 1);

    }

}

struct T

fn9 (struct T x, int y)

{

  struct T t = fn8 (x, y);

  if (fn2 ())

    fn7 (q);

  return t;

}

void *

fn1 (void)

{

  return fn9;

}