[Bug c++/108550] [10/11/12/13 Regression] the type 'const auto' of 'constexpr' variable is not literal

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108550

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Marek Polacek from comment #4)
> Why is this a regression?  I'm not finding a released version that compiled
> this.

The testcase in comment #2 works both with GCC 5.1.0 and 5.2.0 at least as on
godbolt . GCC 5.3.0 fails though.