[Bug c++/124438] A "static const" class member is sometimes more const than a plain 'const'

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124438

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
struct CTest
{
         const bool m_my_bool_only_const       = false;
};

You could then do:
CTest a{true};

a const static member is rather different and is closer to a global constexpr.