gcc/testsuite/g++.dg/cpp0x/overload-conv-3.C

   1 // PR c++/86521
   2 // { dg-do compile { target c++11 } }
   3
   4 template <class T> T&& move (T&);
   5
   6 struct Dest {
   7   Dest() = default;
   8   Dest( Dest && ) = default;
   9   Dest( Dest const & ) = delete;
  10 };
  11
  12 struct Source {
  13   Dest val;
  14   operator Dest () && { return move( val ); }
  15   operator Dest const & () const & { return val; }
  16 };
  17
  18 int main() {
  19   Source x;
  20   Dest d(move(x));              // { dg-error "ambiguous" }
  21 }