[Bug tree-optimization/118316] Missed optimization: while (len > 1) len -= 2;

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118316

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Oh this is just a special case of PR 98304 really.