[Bug c++/111272] [13/14 Regression] Truncated error messages with -std=c++23 and -std=c++26

[pkeir at outlook dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111272

--- Comment #2 from Paul Keir <pkeir at outlook dot com> ---
Thanks. The `-Winvalid-constexpr` mentioned there is a helpful workaround.