[Bug middle-end/80328] With -ffloat-store std::array operator[] no longer cost-free

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80328

--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> ---
-fexcess-precision=standard is only implemented for C, not C++, as far as I can
tell.