https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95226
--- Comment #1 from Frantisek Boranek <fboranek at gmail dot com> --- Luckily, the behaviour is the same on old stable Stretch as on Buster. So this version is also affected, but it is probably not serious as was my first impression. gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516
