[Bug target/108189] anonymous struct declared inside parameter list will not be visible outside of this definition or declaration

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108189

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The error is correct at least for C before C23.