https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106943
--- Comment #25 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Alexander Monakov from comment #24)
> Appreciate the advice. So far I've managed to reduce the number of LTO
> inputs down to two files, RegisterBankInfo.cpp.o plus APInt.cpp.o. I also
> built gcc-12.3 with lineinfo and have a better backtrace:
>
> during GIMPLE pass: thread
> /tmp/llvm-project-llvmorg-13.0.1/llvm/lib/CodeGen/GlobalISel/
> RegisterBankInfo.cpp: In member function 'verify':
> /tmp/llvm-project-llvmorg-13.0.1/llvm/lib/CodeGen/GlobalISel/
> RegisterBankInfo.cpp:548:6: internal compiler error: Segmentation fault
> 548 | bool RegisterBankInfo::ValueMapping::verify(unsigned
> MeaningfulBitWidth) const {
> | ^
> 0xb369ef crash_signal
> ../../gcc-12.3.0/gcc/toplev.cc:322
> 0x17f8977 operator_bitwise_not::fold_range(irange&, tree_node*, irange
> const&, irange const&, tree_code) const
> ../../gcc-12.3.0/gcc/range-op.cc:3479
> 0x17f8977 operator_bitwise_not::fold_range(irange&, tree_node*, irange
> const&, irange const&, tree_code) const
> ../../gcc-12.3.0/gcc/range-op.cc:3465
> 0x171cd0a fold_using_range::range_of_range_op(irange&, gimple*, fur_source&)
> ../../gcc-12.3.0/gcc/gimple-range-fold.cc:608
> 0x171e7e0 fold_using_range::fold_stmt(irange&, gimple*, fur_source&,
> tree_node*)
> ../../gcc-12.3.0/gcc/gimple-range-fold.cc:554
> 0x171eb4c fold_range(irange&, gimple*, range_query*)
> ../../gcc-12.3.0/gcc/gimple-range-fold.cc:315
> 0xc985fd path_range_query::range_of_stmt(irange&, gimple*, tree_node*)
> ../../gcc-12.3.0/gcc/gimple-range-path.cc:771
> 0xc99bc4 path_range_query::range_defined_in_block(irange&, tree_node*,
> basic_block_def*)
> ../../gcc-12.3.0/gcc/gimple-range-path.cc:356
> 0xc99dde path_range_query::internal_range_of_expr(irange&, tree_node*,
> gimple*)
> ../../gcc-12.3.0/gcc/gimple-range-path.cc:209
> 0xc99dde path_range_query::internal_range_of_expr(irange&, tree_node*,
> gimple*)
> ../../gcc-12.3.0/gcc/gimple-range-path.cc:193
> 0xc99ef0 path_range_query::range_of_expr(irange&, tree_node*, gimple*)
> ../../gcc-12.3.0/gcc/gimple-range-path.cc:225
> 0x171cabf fold_using_range::range_of_range_op(irange&, gimple*, fur_source&)
> ../../gcc-12.3.0/gcc/gimple-range-fold.cc:602
> 0x171e7e0 fold_using_range::fold_stmt(irange&, gimple*, fur_source&,
> tree_node*)
> ../../gcc-12.3.0/gcc/gimple-range-fold.cc:554
> 0x171eb4c fold_range(irange&, gimple*, range_query*)
> ../../gcc-12.3.0/gcc/gimple-range-fold.cc:315
> 0xc985fd path_range_query::range_of_stmt(irange&, gimple*, tree_node*)
> ../../gcc-12.3.0/gcc/gimple-range-path.cc:771
> 0xc99bc4 path_range_query::range_defined_in_block(irange&, tree_node*,
> basic_block_def*)
> ../../gcc-12.3.0/gcc/gimple-range-path.cc:356
> 0xc99dde path_range_query::internal_range_of_expr(irange&, tree_node*,
> gimple*)
> ../../gcc-12.3.0/gcc/gimple-range-path.cc:209
> 0xc99dde path_range_query::internal_range_of_expr(irange&, tree_node*,
> gimple*)
> ../../gcc-12.3.0/gcc/gimple-range-path.cc:193
> 0xc99ef0 path_range_query::range_of_expr(irange&, tree_node*, gimple*)
> ../../gcc-12.3.0/gcc/gimple-range-path.cc:225
> 0x171ccab fold_using_range::range_of_range_op(irange&, gimple*, fur_source&)
> ../../gcc-12.3.0/gcc/gimple-range-fold.cc:602
> Please submit a full bug report, with preprocessed source (by using
> -freport-bug).
This looks like a stack overflow happening. To speed up reducing, reducing the
stack size from 8MB (default) down to 4MB might help speed up things.
