1  /* { dg-do compile } */
       2  /* { dg-require-weak-override "" } */
       3  /* { dg-options "-O2 -fdump-tree-optimized" } */
       4  
       5  void __attribute__((weak)) func(void)
       6  {
       7      /* no code */
       8  }
       9  
      10  int main()
      11  {
      12      func();
      13      return 0;
      14  }
      15  
      16  /* { dg-final { scan-tree-dump "func \\(\\);" "optimized" } } */