[Bug c++/111890] ICE in tsubst_friend_function with friend function declared inside a concept constrainted class inside a template class

[heb1001 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111890

--- Comment #8 from Harry Butterworth <heb1001 at gmail dot com> ---
I applied patch to 14.1.0 and my code compiles now.  Thanks.