[Bug middle-end/112581] [14 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu (generated code hangs) since r14-4661 due to reassoc not handling maybe_undefs

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112581

--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I have a patch but I don't like it since it requires to touch
gimple-if-to-switch.cc since that uses init_range_entry.  Maybe someone else
can come up with a better patch.