[Bug tree-optimization/61743] [4.10 Regression] Complete unroll is not happened for loops with short upper bound

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61743

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Or we could realize that range-info is important for loop passes and move
the first VRP pass accordingly (after pass_sink_code).