1  /* { dg-do compile } */
       2  /* { dg-options "-O2  -Wuninitialized" } */
       3  struct S { char *s1; long s2; };
       4  struct T { int t1; long t2; long t3; };
       5  extern int fn2 (void);
       6  extern int fn3 (struct T);
       7  extern struct T fn4 ();
       8  extern int fn5 (char **, long *, int);
       9  extern void fn6 (void);
      10  extern void fn7 (void *);
      11  struct S *fn10 ();
      12  static int p;
      13  static void *q;
      14  extern struct T r;
      15  
      16  static struct T
      17  fn8 (struct T x, int y)
      18  {
      19    struct S *u = fn10 ();
      20    int v = fn5 (&u->s1, &u->s2, 0);
      21    while (1)
      22      {
      23        if (p)
      24  fn6 ();
      25        if (fn3 (x))
      26  return fn4 ();
      27        if (y & 1)
      28  return r;
      29        v = fn5 (&u->s1, &u->s2, 1);
      30      }
      31  }
      32  
      33  struct T
      34  fn9 (struct T x, int y)
      35  {
      36    struct T t = fn8 (x, y);
      37    if (fn2 ())
      38      fn7 (q);
      39    return t;
      40  }
      41  
      42  void *
      43  fn1 (void)
      44  {
      45    return fn9;
      46  }