https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105252
Bug ID: 105252 Summary: [12 Regression] ICE: in cmp_cst, at analyzer/svalue.cc:309 with -O -fanalyzer -fnon-call-exceptions Product: gcc Version: 12.0 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 Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 52793 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52793&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O -fanalyzer -fnon-call-exceptions testcase.c during IPA pass: analyzer In function 'bar', inlined from 'foo' at testcase.c:17:3: testcase.c:9:5: internal compiler error: in cmp_cst, at analyzer/svalue.cc:309 9 | v %= (c | v) % m; | ^~ 0x82fef8 cmp_cst /repo/gcc-trunk/gcc/analyzer/svalue.cc:309 0x17a8abf cmp_cst /repo/gcc-trunk/gcc/analyzer/svalue.cc:340 0x17a8f03 ana::svalue::cmp_ptr(ana::svalue const*, ana::svalue const*) /repo/gcc-trunk/gcc/analyzer/svalue.cc:428 0x2543d40 cmp1<sort_ctx> /repo/gcc-trunk/gcc/sort.cc:153 0x2543d94 netsort<sort_ctx> /repo/gcc-trunk/gcc/sort.cc:170 0x2543d94 mergesort<sort_ctx> /repo/gcc-trunk/gcc/sort.cc:207 0x254431f gcc_qsort(void*, unsigned long, unsigned long, int (*)(void const*, void const*)) /repo/gcc-trunk/gcc/sort.cc:266 0x17417ed vec<ana::svalue const*, va_heap, vl_embed>::qsort(int (*)(void const*, void const*)) /repo/gcc-trunk/gcc/vec.h:1147 0x17417ed vec<ana::svalue const*, va_heap, vl_ptr>::qsort(int (*)(void const*, void const*)) /repo/gcc-trunk/gcc/vec.h:2121 0x17417ed ana::program_state::detect_leaks(ana::program_state const&, ana::program_state const&, ana::svalue const*, ana::extrinsic_state const&, ana::region_model_context*) /repo/gcc-trunk/gcc/analyzer/program-state.cc:1420 0x1741b66 ana::program_state::prune_for_point(ana::exploded_graph&, ana::program_point const&, ana::exploded_node*, ana::uncertainty_t*) const /repo/gcc-trunk/gcc/analyzer/program-state.cc:1214 0x172f78f ana::exploded_graph::process_node(ana::exploded_node*) /repo/gcc-trunk/gcc/analyzer/engine.cc:3780 0x1730622 ana::exploded_graph::process_worklist() /repo/gcc-trunk/gcc/analyzer/engine.cc:3198 0x1732b27 ana::impl_run_checkers(ana::logger*) /repo/gcc-trunk/gcc/analyzer/engine.cc:5777 0x17339be ana::run_checkers() /repo/gcc-trunk/gcc/analyzer/engine.cc:5851 0x1722f48 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-r12-8113-20220412190241-gaa7874596b9-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.1/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 --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 --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r12-8113-20220412190241-gaa7874596b9-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.1 20220412 (experimental) (GCC)