[Bug tree-optimization/86203] duplicate non-constant call to strlen() not folded

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86203

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
It works if you make n0 static btw. (only in late FRE because early
TREE_ADDRESSABLE of n0 is not yet cleared)