[Bug testsuite/82412] [8 regression] gfortran.dg/graphite/pr42334-1.f fails starting with r253342

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82412

--- Comment #3 from seurer at gcc dot gnu.org ---
Oh, and ISL is what comes from contrib/download_prerequisites.  isl-0.18 in
this case.