https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77318
Bug ID: 77318 Summary: [7 regression] FAIL: gfortran.dg/graphite/pr68279.f90 -O (internal compiler error) Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: sch...@linux-m68k.org CC: rguenth at gcc dot gnu.org Blocks: 77290 Target Milestone: --- Target: aarch64-*-* Uncovered by r239607. This is using ISL 0.16. $ gcc/gfortran -B gcc/ -B aarch64-suse-linux/libgfortran/ -std=legacy -floop-nest-optimize -O2 -S ../gcc/testsuite/gfortran.dg/graphite/pr68279.f90 isl_aff.c:1001: position out of bounds ../gcc/testsuite/gfortran.dg/graphite/pr68279.f90:8:0: SUBROUTINE stack_binning(params_in, params_out, stack_size) internal compiler error: Aborted 0xbb3e0f crash_signal ../../gcc/toplev.c:335 0x112a33b extract_affine_chrec ../../gcc/graphite-sese-to-poly.c:239 0x112a33b extract_affine ../../gcc/graphite-sese-to-poly.c:381 0x112a1d7 extract_affine ../../gcc/graphite-sese-to-poly.c:421 0x112a1d7 extract_affine ../../gcc/graphite-sese-to-poly.c:421 0x112b36b add_condition_to_pbb ../../gcc/graphite-sese-to-poly.c:458 0x112b36b add_conditions_to_domain ../../gcc/graphite-sese-to-poly.c:525 0x112b36b build_iteration_domains ../../gcc/graphite-sese-to-poly.c:1017 0x112b0fb build_iteration_domains ../../gcc/graphite-sese-to-poly.c:1040 0x112b957 build_poly_scop(scop*) ../../gcc/graphite-sese-to-poly.c:1364 0x1115abf graphite_transform_loops() ../../gcc/graphite.c:319 0x111600f graphite_transforms ../../gcc/graphite.c:356 0x111600f execute ../../gcc/graphite.c:433 Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77290 [Bug 77290] [7 regression] test case gcc.dg/tree-ssa/pr71347.c fails starting with r239565