[Bug middle-end/65534] tailcall not optimized away

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65534

--- Comment #5 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Yep, if __setuent_static and known to not have address taken this should be
possible