https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71824
--- Comment #8 from Martin Liška <marxin at gcc dot gnu.org> --- Full back-trace: 0x1307b83 add_loop_constraints ../../gcc/graphite-sese-to-poly.c:933 0x1307c7b build_iteration_domains ../../gcc/graphite-sese-to-poly.c:1001 0x1307d0a build_iteration_domains ../../gcc/graphite-sese-to-poly.c:1040 0x13084ef build_poly_scop(scop*) ../../gcc/graphite-sese-to-poly.c:1364 0x12f2758 graphite_transform_loops() ../../gcc/graphite.c:319 0x12f2d00 graphite_transforms ../../gcc/graphite.c:356 0x12f2d00 execute ../../gcc/graphite.c:433