[Bug tree-optimization/87034] [9 Regression] missing -Wformat-overflow on a sprintf %s with a wide string

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87034

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
IMHO hardly a regression unless we want a bogus warning back?