https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90185
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2019-04-19 Ever confirmed|0 |1 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- Agreed. I think "ISO C++ does not support..." is how we usually say this. It's a -pedantic warning, so that already tells users that this is warning about a feature GCC supports as an extension.