[Bug libstdc++/107466] [12/13 Regression] invalid -Wnarrowing error with std::subtract_with_carry_engine

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107466

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
https://cplusplus.github.io/LWG/issue3809