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// { dg-do link }

// { dg-options "-w -ansi -pedantic" }

// Contributed by Nathan Sidwell 23 Oct 2003 

// Origin: grigory@stl.sarov.ru

// PR c++/12698. Duplicate covariant thunks emitted.

struct c1 {};

struct c0 {

  int i;

  virtual c1& f10() {}

};

struct c2 : virtual c1, c0 { };

struct c6 : virtual c2, c0 {

  virtual c2& f10() {}

};

struct c14 : virtual c2 { };

struct c19 : virtual ::c6 {

  virtual class ::c14& f10() {}

};

int main ()

{

  c19 obj;

}