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* [Bug tree-optimization/107570] New: [13 Regression] ICE: Segmentation fault (in instantiate_scev_name/gimple_bb)
@ 2022-11-08 13:52 asolokha at gmx dot com
  2022-11-08 15:11 ` [Bug tree-optimization/107570] " rguenth at gcc dot gnu.org
                   ` (5 more replies)
  0 siblings, 6 replies; 7+ messages in thread
From: asolokha at gmx dot com @ 2022-11-08 13:52 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107570

            Bug ID: 107570
           Summary: [13 Regression] ICE: Segmentation fault (in
                    instantiate_scev_name/gimple_bb)
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
  Target Milestone: ---

gcc 13.0.0 20221106 snapshot (g:c56826d0f3b143a9cb64ee263707046f8073c1b6) ICEs
when compiling the following testcase w/ -Os:

long int n;

void
foo (int *p, int x)
{
  for (;;)
    {
      for (*p = 0; *p < 1; ++*p)
        {
          n += *p < 0;
          if (n < x)
            {
              while (x < 1)
                ++x;

              __builtin_unreachable ();
            }
        }

      p = &x;
    }
}

% gcc-13 -Os -c dpim0i6y.c
during GIMPLE pass: vrp
dpim0i6y.c: In function 'foo':
dpim0i6y.c:4:1: internal compiler error: Segmentation fault
    4 | foo (int *p, int x)
      | ^~~
0xf0e7af crash_signal
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/toplev.cc:314
0xff9e27 gimple_bb
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/gimple.h:1904
0xff9e27 instantiate_scev_name
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/tree-scalar-evolution.cc:2270
0xff9e27 instantiate_scev_r
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/tree-scalar-evolution.cc:2644
0xff9cec instantiate_scev_poly
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/tree-scalar-evolution.cc:2424
0xff9cec instantiate_scev_r
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/tree-scalar-evolution.cc:2649
0xffa8c2 instantiate_scev(edge_def*, loop*, tree_node*)
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/tree-scalar-evolution.cc:2726
0x129350a instantiate_parameters
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/tree-scalar-evolution.h:63
0x129350a bounds_of_var_in_loop(tree_node**, tree_node**, range_query*, loop*,
gimple*, tree_node*)
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/vr-values.cc:1672
0x1d78ff3 fold_using_range::range_of_ssa_name_with_loop_info(vrange&,
tree_node*, loop*, gphi*, fur_source&)
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/gimple-range-fold.cc:957
0x1d79bab fold_using_range::range_of_phi(vrange&, gphi*, fur_source&)
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/gimple-range-fold.cc:820
0x1d7c4d8 fold_using_range::fold_stmt(vrange&, gimple*, fur_source&,
tree_node*)
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/gimple-range-fold.cc:491
0x1d6e183 gimple_ranger::fold_range_internal(vrange&, gimple*, tree_node*)
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/gimple-range.cc:257
0x1d6e183 gimple_ranger::range_of_stmt(vrange&, gimple*, tree_node*)
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/gimple-range.cc:318
0x1d6cab7 gimple_ranger::range_on_entry(vrange&, basic_block_def*, tree_node*)
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/gimple-range.cc:153
0x11f2436 remove_unreachable::remove_and_update_globals(bool)
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/tree-vrp.cc:151
0x11f66ba remove_unreachable::remove_and_update_globals(bool)
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/tree-vrp.cc:4536
0x11f66ba execute_ranger_vrp(function*, bool, bool)
       
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221106/work/gcc-13-20221106/gcc/tree-vrp.cc:4536

^ permalink raw reply	[flat|nested] 7+ messages in thread
end of thread, other threads:[~2023-02-03 19:43 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-11-08 13:52 [Bug tree-optimization/107570] New: [13 Regression] ICE: Segmentation fault (in instantiate_scev_name/gimple_bb) asolokha at gmx dot com
2022-11-08 15:11 ` [Bug tree-optimization/107570] " rguenth at gcc dot gnu.org
2022-11-21 12:12 ` [Bug tree-optimization/107570] [13 Regression] ICE: Segmentation fault (in instantiate_scev_name/gimple_bb) since r13-3595-g7b1cdca6d6d594a8 marxin at gcc dot gnu.org
2023-02-01 17:56 ` jakub at gcc dot gnu.org
2023-02-01 18:12 ` amacleod at redhat dot com
2023-02-03 19:43 ` cvs-commit at gcc dot gnu.org
2023-02-03 19:43 ` amacleod at redhat dot com

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