[Bug tree-optimization/103551] [12 Regression] wrong code with -O1 -fno-tree-dominator-opts -ftree-vectorize -ftree-vrp since r12-5014-g6b8b959675a3e14c

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103551

--- Comment #3 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Haven't looked, but things to look out for are the global ranges that the
strlen pass sets that may affect VRP decisions. Also, one of the calls to
ranger from within the strlen pass may have the wrong context.