https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71348
Bug ID: 71348 Summary: [7 Regression] FAIL: gfortran.dg/graphite/pr68279.f90 Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com CC: rguenther at suse dot de Target Milestone: --- On x96, r236440 caused: /export/gnu/import/git/gcc-regression/master/236440/bld/gcc/testsuite/gfortran/../../gfortran -B/export/gnu/import/git/gcc-regression/master/236440/bld/gcc/testsuite/gfortran/../../ -B/export/gnu/import/git/gcc-regression/master/236440/bld/x86_64-pc-linux-gnu/32/libgfortran/ /export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/gfortran.dg/graphite/pr68279.f90 -fno-diagnostics-show-caret -fdiagnostics-color=never -O -std=legacy -floop-nest-optimize -O2 -S -o pr68279.s isl_aff.c:944: position out of bounds /export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/gfortran.dg/graphite/pr68279.f90:8:0: internal compiler error: Aborted 0xeedba6 crash_signal ../../../../gcc/gcc/toplev.c:333 0x186e334 extract_affine_chrec ../../../../gcc/gcc/graphite-sese-to-poly.c:239 0x186e88f extract_affine ../../../../gcc/gcc/graphite-sese-to-poly.c:381 0x186eb40 extract_affine ../../../../gcc/gcc/graphite-sese-to-poly.c:421 0x186eb40 extract_affine ../../../../gcc/gcc/graphite-sese-to-poly.c:421 0x186ecb3 create_pw_aff_from_tree ../../../../gcc/gcc/graphite-sese-to-poly.c:448 0x186ece6 add_condition_to_pbb ../../../../gcc/gcc/graphite-sese-to-poly.c:458 0x186ef47 add_conditions_to_domain ../../../../gcc/gcc/graphite-sese-to-poly.c:525 0x187076c build_iteration_domains ../../../../gcc/gcc/graphite-sese-to-poly.c:1017 0x1870830 build_iteration_domains ../../../../gcc/gcc/graphite-sese-to-poly.c:1040 0x187098b build_poly_scop(scop*) ../../../../gcc/gcc/graphite-sese-to-poly.c:1364 0x18556ee graphite_transform_loops() ../../../../gcc/gcc/graphite.c:319 0x1855790 graphite_transforms ../../../../gcc/gcc/graphite.c:356 0x18558b7 execute ../../../../gcc/gcc/graphite.c:433 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions. compiler exited with status 1 FAIL: gfortran.dg/graphite/pr68279.f90 -O (internal compiler error) FAIL: gfortran.dg/graphite/pr68279.f90 -O (test for excess errors)