[Bug tree-optimization/71031] [6/7 Regression] ICE in extract_range_from_binary_expr_1, at tree-vrp.c:2535 w/ -Os

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71031

--- Comment #6 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
The real culprit is r231097; our cc1 in bisect seed must be wrong.