https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93134
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> --- One another ICE for existing test-suite: $ gfortran /home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/dependency_58.f90 -O3 -fwrapv -floop-nest-optimize during GIMPLE pass: graphite /home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/dependency_58.f90:4:0: 4 | program main | internal compiler error: Segmentation fault 0xe5fa6f crash_signal /home/marxin/Programming/gcc/gcc/toplev.c:328 0x7f6551d1a14f ??? /usr/src/debug/glibc-2.30-2.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0 0x173e44e scop_get_dependences(scop*) /home/marxin/Programming/gcc/gcc/graphite-dependences.c:316 0x173e937 optimize_isl /home/marxin/Programming/gcc/gcc/graphite-optimize-isl.c:125 0x173e937 apply_poly_transforms(scop*) /home/marxin/Programming/gcc/gcc/graphite-optimize-isl.c:211 0x1739140 graphite_transform_loops() /home/marxin/Programming/gcc/gcc/graphite.c:467 0x1739670 graphite_transforms /home/marxin/Programming/gcc/gcc/graphite.c:537 0x1739670 execute /home/marxin/Programming/gcc/gcc/graphite.c:614 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.