[Bug c++/98142] fstrict-enums optimization applied only for unscoped enums with unfixed underlying type

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98142

--- Comment #13 from Jason Merrill <jason at gcc dot gnu.org> ---
Actually, I guess "open" would also suppress -Wswitch.