[Bug c/88481] -O1 causes optimizer to drop 'then' clause in conditional

[amonakov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88481

--- Comment #9 from Alexander Monakov <amonakov at gcc dot gnu.org> ---
Thanks. I still don't see what's wrong. Are you testing only by single-stepping
in gdb, or does your program overall behave differently with/without
if-conversion?

In other words, do you see if-conversion causing wrong code, or only worse
debug experience?