https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71446
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |rejects-valid Status|UNCONFIRMED |NEW Last reconfirmed| |2019-02-26 Ever confirmed|0 |1 --- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> --- I'm confirming this as a bug. If we claim to support the extension we should make it behave sensibly, and we need to fix it for C++2a anyway.