[Bug tree-optimization/125672] Jump threading hurts conditional select formation

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125672

--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
I think that VN should value-number the PHIs the same btw, there's just no FRE
pass before jump threading makes a mess of it.