[Bug tree-optimization/106621] New: [13 Regression] ICE in irange_set, at value-range.cc:619

["asolokha at gmx dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106621

            Bug ID: 106621
           Summary: [13 Regression] ICE in irange_set, at
                    value-range.cc:619
           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: ---
            Target: aarch64-linux-gnu

gcc 13.0.0 20220814 snapshot (g:fe4dc4f553d8639b0ce3465e5e6dcf61c1ae9752) ICEs
when compiling the following testcase w/ -mcpu=neoverse-v1 -O2
-fvect-cost-model=dynamic -fno-tree-scev-cprop:

int m, n;

void
foo (unsigned int x, short int y)
{
  if (m)
    for (;;)
      {
        ++m;
        while (m < 1)
          {
            n += m + x;
            ++m;
          }
      }

  for (;;)
    if (y)
      {
        ++x;
        if (x)
          for (y = 0; y < 75; y += 2)
            {
            }
      }
}

% aarch64-linux-gnu-gcc-13.0.0 -mcpu=neoverse-v1 -O2 -fvect-cost-model=dynamic
-fno-tree-scev-cprop -c k0jfume7.c
during GIMPLE pass: vrp
k0jfume7.c: In function 'foo':
k0jfume7.c:4:1: internal compiler error: in irange_set, at value-range.cc:619
    4 | foo (unsigned int x, short int y)
      | ^~~
0x7e41ce irange::irange_set(tree_node*, tree_node*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220814/work/gcc-13-20220814/gcc/value-range.cc:619
0x1b1d97d fold_using_range::range_of_ssa_name_with_loop_info(vrange&,
tree_node*, loop*, gphi*, fur_source&)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220814/work/gcc-13-20220814/gcc/gimple-range-fold.cc:1381
0x1b1e18e fold_using_range::range_of_phi(vrange&, gphi*, fur_source&)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220814/work/gcc-13-20220814/gcc/gimple-range-fold.cc:863
0x1b205c8 fold_using_range::fold_stmt(vrange&, gimple*, fur_source&,
tree_node*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220814/work/gcc-13-20220814/gcc/gimple-range-fold.cc:557
0x1b12889 gimple_ranger::fold_range_internal(vrange&, gimple*, tree_node*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220814/work/gcc-13-20220814/gcc/gimple-range.cc:258
0x1b12889 gimple_ranger::range_of_stmt(vrange&, gimple*, tree_node*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220814/work/gcc-13-20220814/gcc/gimple-range.cc:319
0x1b12bea gimple_ranger::register_inferred_ranges(gimple*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220814/work/gcc-13-20220814/gcc/gimple-range.cc:472
0x12122e0 rvrp_folder::pre_fold_bb(basic_block_def*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220814/work/gcc-13-20220814/gcc/tree-vrp.cc:4306
0x1100e82 substitute_and_fold_dom_walker::before_dom_children(basic_block_def*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220814/work/gcc-13-20220814/gcc/tree-ssa-propagate.cc:758
0x1adcbc7 dom_walker::walk(basic_block_def*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220814/work/gcc-13-20220814/gcc/domwalk.cc:311
0x10ffbf5 substitute_and_fold_engine::substitute_and_fold(basic_block_def*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220814/work/gcc-13-20220814/gcc/tree-ssa-propagate.cc:987
0x12078c0 execute_ranger_vrp(function*, bool)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220814/work/gcc-13-20220814/gcc/tree-vrp.cc:4349