[Bug analyzer/114286] New: ICE: in deref_rvalue, at analyzer/region-model.cc:2762 with _Atomic _BitInt() and -fanalyzer

["zsojka at seznam dot cz" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114286

            Bug ID: 114286
           Summary: ICE: in deref_rvalue, at analyzer/region-model.cc:2762
                    with _Atomic _BitInt() and -fanalyzer
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: analyzer
          Assignee: dmalcolm at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz
                CC: jakub at gcc dot gnu.org
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu

Created attachment 57656
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57656&action=edit
reduced testcase

Compiler output:
$ x86_64-pc-linux-gnu-gcc -fanalyzer testcase.c
during IPA pass: analyzer
testcase.c: In function 'foo':
testcase.c:5:3: internal compiler error: in deref_rvalue, at
analyzer/region-model.cc:2762
    5 |   b;
      |   ^
0x8c81ff ana::region_model::deref_rvalue(ana::svalue const*, tree_node*,
ana::region_model_context*, bool) const
        /repo/gcc-trunk/gcc/analyzer/region-model.cc:2762
0x192a209 ana::kf_atomic_load::impl_call_pre(ana::call_details const&) const
        /repo/gcc-trunk/gcc/analyzer/kf.cc:289
0x19464f7 ana::region_model::on_call_pre(gcall const*,
ana::region_model_context*)
        /repo/gcc-trunk/gcc/analyzer/region-model.cc:1700
0x194a31a ana::region_model::on_stmt_pre(gimple const*, bool*,
ana::region_model_context*)
        /repo/gcc-trunk/gcc/analyzer/region-model.cc:1337
0x1912190 ana::exploded_node::on_stmt(ana::exploded_graph&, ana::supernode
const*, gimple const*, ana::program_state*, ana::uncertainty_t*, bool*,
ana::path_context*)
        /repo/gcc-trunk/gcc/analyzer/engine.cc:1515
0x1914f2a ana::exploded_graph::process_node(ana::exploded_node*)
        /repo/gcc-trunk/gcc/analyzer/engine.cc:4125
0x1915e9a ana::exploded_graph::process_worklist()
        /repo/gcc-trunk/gcc/analyzer/engine.cc:3516
0x19185f5 ana::impl_run_checkers(ana::logger*)
        /repo/gcc-trunk/gcc/analyzer/engine.cc:6210
0x1919506 ana::run_checkers()
        /repo/gcc-trunk/gcc/analyzer/engine.cc:6301
0x1908158 execute
        /repo/gcc-trunk/gcc/analyzer/analyzer-pass.cc:87
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.

$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r14-9382-20240308082802-g0bd04d9ae2d-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --enable-libsanitizer
--disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r14-9382-20240308082802-g0bd04d9ae2d-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.1 20240308 (experimental) (GCC)