[Bug lto/124131] New: [16 Regression] ICE, lto segfault

[doko at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124131

            Bug ID: 124131
           Summary: [16 Regression] ICE, lto segfault
           Product: gcc
           Version: 16.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org
  Target Milestone: ---

seen with trunk 20260210, *-linux-gnu

during IPA pass: icf
lto1: internal compiler error: Segmentation fault
0xaccc63 internal_error(char const*, ...)
        ???:0
0x125208c lto_get_decl_name_mapping(lto_file_decl_data*, char const*)
        ???:0
0xcedd0b cgraph_node::get_untransformed_body()
        ???:0
0xe4244f ipa_icf::sem_function::init(ipa_icf_gimple::func_checker*)
        ???:0
0x12638fb ipa_icf::sem_item_optimizer::parse_nonsingleton_classes()
        ???:0
0x1260e73 ipa_icf::sem_item_optimizer::execute()
        ???:0

complete build log at
https://launchpadlibrarian.net/847948242/buildlog_ubuntu-resolute-arm64.nvidia-nccl_2.22.3-1-1_BUILDING.txt.gz