[Bug c++/86648] [9 Regression] ICE on class template argument deduction

[boris_oncev at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86648

--- Comment #2 from Boris <boris_oncev at hotmail dot com> ---
(In reply to Marek Polacek from comment #1)
> I don't see any ICE with -std=c++17.

Did you try it on godbolt, or locally(maybe you have newer version than
godbolt) ?