https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94062
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Status|UNCONFIRMED |WAITING Last reconfirmed| |2020-03-19 --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- I guess you're compiling in C++17 mode, but I shouldn't have to guess the options you're passing to the compiler. Please provide them (as required by https://gcc.gnu.org/bugs/ which you were asked to read when creating a new bug report).