[Bug tree-optimization/81611] [8 Regression] gcc un-learned loop / post-increment optimization

[aoliva at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81611

--- Comment #18 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
Vacations over, patches formatted and posted.
https://gcc.gnu.org/ml/gcc-patches/2018-01/msg01994.html