https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68117
--- Comment #15 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- (In reply to Joost VandeVondele from comment #14) > (In reply to Markus Trippelsdorf from comment #13) > > *** Bug 68127 has been marked as a duplicate of this bug. *** > > just FYI, for me (PR68127) the issue pops up in a non-deterministic way, I > don't know why, but this might be useful to keep in mind while reducing / > bisecting. Yes. This is the reason why my previous bisecting attempts landed on commits that have probably nothing to do with this nasty heisenbug.