[Bug c++/95701] [DR1766] undefined enum conversion accepted in constant expression

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95701

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|2021-09-01 00:00:00         |2026-6-3
            Summary|undefined enum conversion   |[DR1766] undefined enum
                   |accepted in constant        |conversion accepted in
                   |expression                  |constant expression

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Reduced:

enum E { E0, E1 };
constexpr E out_of_range = (E)2;