https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124128

            Bug ID: 124128
           Summary: [16 Regression] ICE in intersect, at
                    value-range.cc:2043 on s390x-linux-gnu
           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 on trunk 20260210 on s390x-linux-gnu, building the openblas package with
LTO:

during IPA pass: cp
lto1: internal compiler error: in intersect, at value-range.cc:2043
0x17fc4a1 internal_error(char const*, ...)
        ../../src/gcc/diagnostic-global-context.cc:787
0x17fc58b fancy_abort(char const*, int, char const*)
        ../../src/gcc/diagnostics/context.cc:1812
0x199cb4b irange::intersect(vrange const&)
        ../../src/gcc/value-range.cc:2043
0x26e887d ipa_vr_intersect_with_arith_jfunc
        ../../src/gcc/ipa-cp.cc:1823
0x1dad401 propagate_vr_across_jump_function
        ../../src/gcc/ipa-cp.cc:2699
0x1bff71b propagate_constants_across_call
        ../../src/gcc/ipa-cp.cc:3137
0x2697153 propagate_constants_topo
        ../../src/gcc/ipa-cp.cc:3996
0x2697153 ipcp_propagate_stage
        ../../src/gcc/ipa-cp.cc:4114
0x2697153 ipcp_driver
        ../../src/gcc/ipa-cp.cc:6751
0x2697153 execute
        ../../src/gcc/ipa-cp.cc:6830

not yet looked at, full build log at
https://launchpadlibrarian.net/847938312/buildlog_ubuntu-resolute-s390x.openblas_0.3.30+ds-3_BUILDING.txt.gz

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