[Bug middle-end/121593] Miscompiles small function to produce endless(?) loop

[marc.mutz at hotmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121593

--- Comment #20 from Marc Mutz <marc.mutz at hotmail dot com> ---
Thanks for rubberducking, and sorry for the noise. Found bugs are always
obvious in hindsight ;)