[Bug c++/65398] [5 Regression] [C++11] GCC rejects constexpr variable definitions with valid initialization

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65398

--- Comment #14 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
I see.  Luckily these didn't regress with my fix for this PR, so I think these
are separate issues.  Could you please open a new PR?  I'll see if I can fix
these new ones.