[Bug c++/77984] Invalid warning on templated operator= with -Weffc++

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77984

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
No, but IMHO it should be (unless somebody fixes it, see PR 16166 and PR 16168
and PR 55837 and others).