https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77338
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mpolacek at gcc dot gnu.org --- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> --- I can't reproduce: $ ./cc1plus -quiet q.C q.C:3:51: error: no match for call to ‘(S) (S&)’ template < typename > auto f (S s)->decltype (s (s)); ^ q.C:3:51: error: no match for call to ‘(S) (S&)’