[Bug tree-optimization/117132] A call to a function which returns a wider result can be considered a sibling call

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117132

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
It depends on the ABI, some require the extension while others don't.
PR 14441 is for a target which has the extension.