[Bug tree-optimization/86259] min(4, strlen(s)) optimized to strlen(s) with -flto

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86259

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note gcc thinks strlen(s) is less than or equal to 3 as s is really T.s which
is an array of 4 in size and there for the last element has to be a null char.