1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-ipa-icf-optimized"  } */
       3  
       4  void destroy (void)
       5  {
       6  }
       7  
       8  void remove (void)
       9  {
      10  }
      11  
      12  
      13  struct callbacks
      14  {
      15    void (*success) (void);
      16    void (*error) (void);
      17  };
      18  
      19  struct callbacks my_callbacks;
      20  
      21  __attribute__ ((noinline))
      22  void foo()
      23  {
      24    my_callbacks.success = destroy;
      25  }
      26  
      27  __attribute__ ((noinline))
      28  void bar()
      29  {
      30    my_callbacks.success = remove;
      31  }
      32  
      33  int main()
      34  {
      35    foo();
      36    bar();
      37  
      38    return 0;
      39  }
      40  
      41  /* { dg-final { scan-ipa-dump "Semantic equality hit:destroy/\[0-9+\]+->remove/\[0-9+\]+" "icf"  } } */
      42  /* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf"  } } */