// { dg-do assemble  }// { dg-options "-O" }// Origin: Thomas Kunert <kunert@physik.tu-dresden.de>struct C {    ~C();};    struct R {    bool empty() const;    C m_;};struct R1 {    R1( const R& a );  ~R1 ();    C m_;};R1 get_empty();R1::R1( const R& a ) :    m_( a.empty() ? get_empty().m_ : C() ){}void qnorm( const R & r){ R1 n( r ); }