[Bug libstdc++/87855] std::optional<T> only copy-constructible if T is trivially copy-constructible

[ville.voutilainen at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87855

--- Comment #3 from Ville Voutilainen <ville.voutilainen at gmail dot com> ---
The fix is not quite right. I'll do a more intrusive one. Stay tuned.