https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68540
--- Comment #9 from Thomas Schwinge <tschwinge at gcc dot gnu.org> --- (In reply to Martin Reinecke from comment #8) > In order to save others some head-scratching, would it be possible to update > the ISL version check in the configuration machinery so that it gives a > clear error when encountering an ISL version that is too old? Done in r231706.