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// { dg-do run  }

// Test that we only call f once and that pointers to different subobjects

// compare as different.

struct A { void f() { } };

struct B: public A { };

struct C: public A { };

struct D : public B, public C { };

typedef void (B::*bp)();

typedef void (C::*cp)();

typedef void (D::*dp)();

dp d1;

int call;

dp f () { ++call; return d1; }

int main()

{

  bp b = &A::f;

  cp c = &A::f;

  d1 = b;

  dp d2 = c;

  return (f() == d2 || call != 1);

}