https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93914
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2021-10-26
Ever confirmed|0 |1
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
It is a pedwarn so it turns into an error with -pedantic-errors:
<source>:4:27: error: too many template headers for 'A' (should be 0)
4 | template <> struct A<int> A { }; // invalid
| ^
So confirmed.
