[Bug c++/86252] Abstract class in function return type

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86252

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Jason Merrill from comment #4)
> Fixed for GCC 11.

By r11-5036 .