https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99086
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Keywords| |ice-on-invalid-code
Known to work| |11.0
Known to fail| |10.2.1
Last reconfirmed| |2021-02-14
CC| |jason at gcc dot gnu.org
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to crillion from comment #0)
> #include <iterator>
>
> class value_wrapper
> {
> public :
>
> bool operator<=>(const value_wrapper& rhs) const = default;
This is a bug, the spaceship operator has to return one of
std::strong_ordering, std::weak_ordering or std::partial_ordering.
GCC's crash on the invalid code has already been fixed in r11-5866:
c++: Fix defaulted <=> fallback to < and == [PR96299]
I don't know if there are plans to backport that.
