https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61528

--- Comment #4 from Lisp2D <lisp2d at lisp2d dot net> ---
 Likely error in the standard. The right set of functions must return a copy of
the data and return a the temporary link with real data.
 Working version of it:

size_t  const & min2(size_t const & x,size_t  const & y){
  return  std::min(x,y);}

size_t  min2(size_t const &&  x,size_t  const & y){
  return  {std::min(x,y)};}

size_t  min2(size_t const &  x,size_t  const && y){
  return  {std::min(x,y)};}  


May be do like this?

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