[Bug c++/81508] Control reaches end of non-void function - warning not emmited when optimization is turned on

[juraj.orsulic at fer dot hr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81508

--- Comment #3 from Juraj Oršulić <juraj.orsulic at fer dot hr> ---
Update: tested on 7.1.0, bug doesn't happen there (i.e. building without
optimisation is successful).