[Bug c++/110158] Cannot use union with std::string inside in constant expression

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110158

--- Comment #8 from Patrick Palka <ppalka at gcc dot gnu.org> ---
It seems the comment #4 testcase is still rejected on trunk after/despite
r14-4334-g28adad7a32ed92?