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// Copyright (C) 2004 Free Software Foundation, Inc.

// Contributed by Nathan Sidwell 17 Dec 2004 

// PR 18975: Rejects legal

// Origin:   Wolfgang Roehrl 

struct PTR

{

  PTR ();

  PTR (PTR&);

  PTR& operator= (PTR&);

private:

  PTR (const PTR&);

  PTR& operator= (const PTR&);

};

struct XYZ

{

  XYZ (PTR& p) : ptr(p) {}

  mutable PTR ptr;

};

XYZ f1 ();

XYZ f2 (void) { return f1(); }

void f3 (XYZ& dst, const XYZ& src) { dst = src; }