[Bug tree-optimization/67681] Missed vectorization: induction variable used after loop

[alalaw01 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67681

--- Comment #8 from alalaw01 at gcc dot gnu.org ---
Indeed, the -DFOO=1 case vectorizes with -fno-tree-dominator-opts.