https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89179
--- Comment #7 from Vincent <vincent.lextrait at gmail dot com> --- I understand. It might have something to do with 67650, which was been in gcc since 2005, and is fully reproducible until now (8.2.0). It seems to be a memory error too. Sadly, nobody ever gave it a try.