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)