[Bug middle-end/83169] Optimizer doesn't correctly handle NRVO if -fno-inline-small-functions or function uninlinable

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83169

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This code is all undefined so what do you expect?