[Bug tree-optimization/116835] [13/14/15/16 Regression] phiprop will prop back into a loop

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116835

--- Comment #16 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I have a set of patches which improve phiprop and also fix this one (it is
richi's fix really).