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* [Bug c++/107732] New: ICE in lower_bound, at value-range.h:350
@ 2022-11-17  8:36 gcc-bugzilla at al42and dot me
  2022-11-17 15:12 ` [Bug c++/107732] " aldyh at gcc dot gnu.org
                   ` (6 more replies)
  0 siblings, 7 replies; 8+ messages in thread
From: gcc-bugzilla at al42and dot me @ 2022-11-17  8:36 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107732

            Bug ID: 107732
           Summary: ICE in lower_bound, at value-range.h:350
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gcc-bugzilla at al42and dot me
  Target Milestone: ---

Created attachment 53916
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53916&action=edit
Preprocessed source (-freport-bug)

The following code (reduced example) triggers an ICE with a recent `master`
(96e4244ef3ccf4867ca4e37fbc6800e64ef30af6).

$ cat test.ii 
extern "C" double sqrt(double);
double a, b, c;
void d() {
  for (;;) {
    c = __builtin_fabs(a);
    sqrt(c);
    if (a)
      a = b;
  }
}

$ /home/aland/gcc-trunk/bin/g++ -O2 -c test.ii
during GIMPLE pass: thread
test.ii: In function ‘void d()’:
test.ii:3:6: internal compiler error: in lower_bound, at value-range.h:350
    3 | void d() {
      |      ^
0x9a92fc frange::lower_bound() const
        ../.././gcc/value-range.h:350
0x9a947d frange::lower_bound() const
        ../.././gcc/value-range.h:1127
0x9a947d foperator_abs::op1_range(frange&, tree_node*, frange const&, frange
const&, relation_trio) const
        ../.././gcc/range-op-float.cc:1413
0x211bc78 foperator_abs::op1_range(frange&, tree_node*, frange const&, frange
const&, relation_trio) const
        ../.././gcc/range-op-float.cc:1390
0x2002c25 gori_compute::compute_operand1_range(vrange&,
gimple_range_op_handler&, vrange const&, tree_node*, fur_source&,
value_relation*)
        ../.././gcc/gimple-range-gori.cc:1095
0x2001913 gori_compute::compute_operand_range(vrange&, gimple*, vrange const&,
tree_node*, fur_source&, value_relation*)
        ../.././gcc/gimple-range-gori.cc:692
0x2002c9f gori_compute::compute_operand1_range(vrange&,
gimple_range_op_handler&, vrange const&, tree_node*, fur_source&,
value_relation*)
        ../.././gcc/gimple-range-gori.cc:1150
0x2001913 gori_compute::compute_operand_range(vrange&, gimple*, vrange const&,
tree_node*, fur_source&, value_relation*)
        ../.././gcc/gimple-range-gori.cc:692
0x2005742 gori_compute::outgoing_edge_range_p(vrange&, edge_def*, tree_node*,
range_query&)
        ../.././gcc/gimple-range-gori.cc:1373
0x13d21fd path_range_query::compute_ranges_in_block(basic_block_def*)
        ../.././gcc/gimple-range-path.cc:454
0x13d28a2 path_range_query::compute_ranges(bitmap_head const*)
        ../.././gcc/gimple-range-path.cc:622
0x14569e9 back_threader::find_taken_edge_cond(vec<basic_block_def*, va_heap,
vl_ptr> const&, gcond*)
        ../.././gcc/tree-ssa-threadbackward.cc:324
0x1456b9e back_threader::maybe_register_path(back_threader_profitability&)
        ../.././gcc/tree-ssa-threadbackward.cc:248
0x1456ec8 back_threader::find_paths_to_names(basic_block_def*, bitmap_head*,
unsigned int, back_threader_profitability&)
        ../.././gcc/tree-ssa-threadbackward.cc:371
0x145737c back_threader::find_paths_to_names(basic_block_def*, bitmap_head*,
unsigned int, back_threader_profitability&)
        ../.././gcc/tree-ssa-threadbackward.cc:479
0x145737c back_threader::find_paths_to_names(basic_block_def*, bitmap_head*,
unsigned int, back_threader_profitability&)
        ../.././gcc/tree-ssa-threadbackward.cc:479
0x1457dbf back_threader::maybe_thread_block(basic_block_def*)
        ../.././gcc/tree-ssa-threadbackward.cc:551
0x1457e71 back_threader::thread_blocks()
        ../.././gcc/tree-ssa-threadbackward.cc:979
0x1457ed0 execute
        ../.././gcc/tree-ssa-threadbackward.cc:1081
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

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2022-11-17  8:36 [Bug c++/107732] New: ICE in lower_bound, at value-range.h:350 gcc-bugzilla at al42and dot me
2022-11-17 15:12 ` [Bug c++/107732] " aldyh at gcc dot gnu.org
2022-11-17 15:54 ` aldyh at gcc dot gnu.org
2022-11-17 16:24 ` gcc-bugzilla at al42and dot me
2022-11-17 16:25 ` aldyh at gcc dot gnu.org
2022-11-17 17:43 ` cvs-commit at gcc dot gnu.org
2022-11-17 17:45 ` aldyh at gcc dot gnu.org
2022-11-28 22:25 ` [Bug c++/107732] [13 Regreession] " pinskia at gcc dot gnu.org

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