[Bug tree-optimization/88767] 'unroll and jam' not optimizing some loops

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88767

--- Comment #11 from Jiu Fu Guo <guojiufu at gcc dot gnu.org> ---
And the patch(PR98137) also helps a lot for the code in comment 9, since
vectorization happens.