https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80387
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #7 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #6)
> This code isn't strictly ice-on-invalid, it's just completely crazy and no
> compiler will ever handle it, because it asks for std::index_sequence<0, 1,
> 2, 3, ..., 18446744073709551614>.
>
> We could add a static_assert( N != size_t(-1), "" ) but that wouldn't help
> for equally crazy cases like make_index_sequence<size_t(-2)>. Maybe we
> should just reject anything over ULONG_MAX/2.
Lets just call it a pilot error and close it as invalid.
