https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106970
Bug ID: 106970
Summary: [13 Regression] ICE in verify_range, at
value-range.cc:702
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 20220918 snapshot (g:313879d8768d08dea035efd7fd62b753dc91c364) ICEs
when compiling the following testcase w/ -O1 -fno-signed-zeros:
void
foo (double x, double y)
{
if (!x == !y * -1.0)
__builtin_trap ();
}
% gcc-13.0.0 -O1 -fno-signed-zeros -c kis6ezgv.c
during GIMPLE pass: ethread
kis6ezgv.c: In function 'foo':
kis6ezgv.c:6:1: internal compiler error: in verify_range, at value-range.cc:702
6 | }
| ^
0x7b68a9 frange::verify_range()
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/value-range.cc:702
0x12106b7 frange::intersect(vrange const&)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/value-range.cc:549
0x1e62c88 foperator_equal::fold_range(irange&, tree_node*, frange const&,
frange const&, relation_kind_t) const
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/range-op-float.cc:382
0x1e62e50 foperator_equal::fold_range(irange&, tree_node*, frange const&,
frange const&, relation_kind_t) const
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/range-op.h:219
0x1d407b7 fold_using_range::range_of_range_op(vrange&, gimple*, fur_source&)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/gimple-range-fold.cc:634
0x1d438d0 fold_using_range::fold_stmt(vrange&, gimple*, fur_source&,
tree_node*)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/gimple-range-fold.cc:555
0x1d43c9c fold_range(vrange&, gimple*, range_query*)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/gimple-range-fold.cc:316
0x10a647d path_range_query::range_of_stmt(vrange&, gimple*, tree_node*)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/gimple-range-path.cc:725
0x1130994 back_threader::find_taken_edge_cond(vec<basic_block_def*, va_heap,
vl_ptr> const&, gcond*)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/tree-ssa-threadbackward.cc:334
0x1130b82 back_threader::maybe_register_path(back_threader_profitability&)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/tree-ssa-threadbackward.cc:248
0x1131098 back_threader::find_paths_to_names(basic_block_def*, bitmap_head*,
unsigned int, back_threader_profitability&)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/tree-ssa-threadbackward.cc:380
0x1131614 back_threader::find_paths_to_names(basic_block_def*, bitmap_head*,
unsigned int, back_threader_profitability&)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/tree-ssa-threadbackward.cc:502
0x1131614 back_threader::find_paths_to_names(basic_block_def*, bitmap_head*,
unsigned int, back_threader_profitability&)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/tree-ssa-threadbackward.cc:502
0x11320af back_threader::maybe_thread_block(basic_block_def*)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/tree-ssa-threadbackward.cc:574
0x1132161 back_threader::thread_blocks()
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/tree-ssa-threadbackward.cc:1002
0x11322b0 execute
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220918/work/gcc-13-20220918/gcc/tree-ssa-threadbackward.cc:1076
