1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  
       4  void link_error (void);
       5  
       6  typedef struct  {
       7    int x;
       8    int z;
       9  } Foo_t;
      10  
      11  char *xm;
      12  void bar(void);
      13  
      14  void foo(void)
      15  {
      16    Foo_t x;
      17    x.x = 1;
      18    x.z = 2;
      19    xm = (char *)&x;
      20    bar();
      21    /* We can't propagate x.z past bar, so this link_error should still be there.  */
      22    if (x.z != 2)
      23      link_error ();
      24  }
      25  /* { dg-final { scan-tree-dump-times "link_error" 1 "optimized"} } */