https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93017
--- Comment #5 from Romain Geissler <romain.geissler at amadeus dot com> --- Ah actually I see this on branch gcc 8 as well, with ISL 0.21. And apparently it is not making "make check" return an error code, so it's very possible that I had this error before without noticing it.
