[Bug c++/110065] [11/12/13/14 Regression] [C++20/2b] auto return type in template argument causes ICE, also accepts-invalid

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110065

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
With -std=c++20 the ICE started with r12-4772.