[Bug middle-end/71348] New: [7 Regression] FAIL: gfortran.dg/graphite/pr68279.f90

["hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

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.
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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)