https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86963
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2018-08-15 Ever confirmed|0 |1 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- This is a new requirement in C++17, since https://wg21.link/lwg2729 Previous standards did not require the assignment to be deleted or removed from overload resolution.