[Bug c++/98810] [9/10 Regression] [C++20] ICE in tsubst_copy, at cp/pt.c:16771

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98810

--- Comment #8 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
It probably needs target c++2a instead.