[Bug c++/115858] Incompatibility of coroutines and alloca()

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115858

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This code becomes invalid after https://wg21.link/CWG1670 . But you can fix up
the conversion operator.