https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80289
--- Comment #3 from Damien GERARD <damien at iwi dot me> --- Oh m(In reply to Damien GERARD from comment #0) > From g++ 6.2 to g++ 7, defining several times the same constexpr variable > makes gcc crash: My mistake, it seems to be fixed in g++ 6.3 and works as expected in g++ 7
