[Bug c++/85576] A template union containing a friend function causes non-template type used as a template error

[ldalessandro at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85576

--- Comment #1 from Luke Dalessandro <ldalessandro at gmail dot com> ---
Just ran into this today while testing 11. https://godbolt.org/z/37G7P5

Any possibility we'll see a fix soon?