[Bug c++/99859] constexpr evaluation with member function is incorrect

[ldalessandro at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99859

--- Comment #1 from Luke Dalessandro <ldalessandro at gmail dot com> ---
It was pointed out that it _also_ works if I change

> static_assert(foo());

to 

> constexpr bool b = foo();
> static_assert(b);

static_assert(foo());