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

[kariya_mitsuru at hotmail dot com]

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

--- Comment #8 from Mitsuru Kariya <kariya_mitsuru at hotmail dot com> ---
Oh, thanks a lot!  I've got it.
(And I've understood the reason why clang rejects it ;).)