[Bug libstdc++/119888] GCC 15.x regression: std::string_view as template parameter incorrectly decays to char const*

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119888

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note clang using GCC's trunk libstdc++ has the same issue so it is NOT a
front-end bug.