PR middle-end/82123
PR tree-optimization/81592
PR middle-end/79257
* gimple-ssa-sprintf.c: Include alloc-pool.h, vr-values.h and
gimple-ssa-evrp-analyze.h
(class sprintf_dom_walker): Add after_dom_children member function.
Add evrp_range_analyzer member.
(sprintf_dom_walker::before_dom_children): Call into the EVRP
range analyzer as needed.
(sprintf_dom_walker::after_dom_children): New member function.
* gcc.dg/builtin-unreachable-6.c: Turn off VRP.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@257852 138bc75d-0d04-0410-961f-82ee72b054a4