1  /* { dg-do run } */
       2  /* { dg-options "-O3 -fno-strict-aliasing" } */
       3  
       4  extern void exit (int);
       5  extern void abort (void);
       6  
       7  struct foos { int l; }; 
       8  int foo;
       9  static struct foos *getfoo(void);
      10  int main (void)
      11  {
      12    struct foos *f = getfoo();
      13    f->l = 1;
      14    foo = 2;
      15    if (f->l == 1)
      16      abort();
      17    exit(0);
      18  }
      19  static struct foos *getfoo(void) 
      20  { return (struct foos *)&foo; }