[Bug tree-optimization/109535] New: internal compiler error: in finalize_new_accesses, at rtl-ssa/changes.cc:471

["malat at debian dot org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109535

            Bug ID: 109535
           Summary: internal compiler error: in finalize_new_accesses, at
                    rtl-ssa/changes.cc:471
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: malat at debian dot org
  Target Milestone: ---

I cannot compile highway on riscv/rv64gcv1p0 with gcc-13.

Compilation fais with:

% /usr/bin/g++-13 -freport-bug -DHWY_SHARED_DEFINE
-I"/home/malat/highway-1.0.4~git20230317.8681eb8" -g -O2
-ffile-prefix-map=/home/malat/highway-1.0.4~git20230317.8681eb8=.
-fstack-protector-strong -Wformat -Werror=format-security -DHWY_BROKEN_EMU128=0
-Wdate-time -D_FORTIFY_SOURCE=2 -fPIE -fvisibility=hidden
-fvisibility-inlines-hidden -Wno-builtin-macro-redefined
-D__DATE__=\"redacted\" -D__TIMESTAMP__=\"redacted\" -D__TIME__=\"redacted\"
-fmerge-all-constants -Wall -Wextra -Wconversion -Wsign-conversion -Wvla
-Wnon-virtual-dtor -fmath-errno -fno-exceptions -march=rv64gcv1p0 -Werror
-DHWY_IS_TEST=1 -DGTEST_HAS_PTHREAD=1 -MD -MT
CMakeFiles/transform_test.dir/hwy/contrib/algo/transform_test.cc.o -MF
CMakeFiles/transform_test.dir/hwy/contrib/algo/transform_test.cc.o.d -o
CMakeFiles/transform_test.dir/hwy/contrib/algo/transform_test.cc.o -c
'/home/malat/highway-1.0.4~git20230317.8681eb8/hwy/contrib/algo/transform_test.cc'
during RTL pass: vsetvl
/home/malat/highway-1.0.4~git20230317.8681eb8/hwy/contrib/algo/transform_test.cc:
In function 'void hwy::N_RVV::ForeachCountAndMisalign<Test>::operator()(T, D)
const [with T = unsigned char; D = hwy::N_RVV::Simd<unsigned char, 8192, 2>;
Test = hwy::N_RVV::TestGenerate]':
/home/malat/highway-1.0.4~git20230317.8681eb8/hwy/contrib/algo/transform_test.cc:133:3:
internal compiler error: in finalize_new_accesses, at rtl-ssa/changes.cc:471
  133 |   }
      |   ^
0xf4b18d rtl_ssa::function_info::finalize_new_accesses(rtl_ssa::insn_change&)
        ../../src/gcc/rtl-ssa/changes.cc:471
0xf4c0a7
rtl_ssa::function_info::change_insns(array_slice<rtl_ssa::insn_change*>)
        ../../src/gcc/rtl-ssa/changes.cc:659
0xb4f1e7 rtl_ssa::function_info::change_insn(rtl_ssa::insn_change&)
        ../../src/gcc/rtl-ssa/changes.cc:717
0xb4f1e7 change_insn
        ../../src/gcc/config/riscv/riscv-vsetvl.cc:1028
0xb4f1e7 pass_vsetvl::cleanup_insns() const
        ../../src/gcc/config/riscv/riscv-vsetvl.cc:3951
0xb59891 pass_vsetvl::lazy_vsetvl()
        ../../src/gcc/config/riscv/riscv-vsetvl.cc:4211
0xb59a7d pass_vsetvl::execute(function*)
        ../../src/gcc/config/riscv/riscv-vsetvl.cc:4241
0xb59a7d pass_vsetvl::execute(function*)
        ../../src/gcc/config/riscv/riscv-vsetvl.cc:4222
Please submit a full bug report, with preprocessed source.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-13/README.Bugs> for instructions.