[Bug c++/117736] Internal error checking coroutine final suspend self reference

[kelbonage at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117736

--- Comment #3 from Nikl Kelbon <kelbonage at gmail dot com> ---
Note: its preprocessed sources for another bug with placement new / RVO in
coroutines, i dont know how it placed in my old issue