[Bug cobol/120554] libgcobol meets clang

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120554

--- Comment #9 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
There's a bug that we don't accept "constexpr S() = default;" in C++23 -- bug
109623.