[Bug tree-optimization/78528] Recursion not optimized for structs

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78528

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
And I don't see how we can easily do this (or why it should be worth all the
hassle).