https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114599
Bug ID: 114599 Summary: ICE: SIGSEGV in bitmap_set_bit(bitmap_head*, int) (bitmap.cc:975) with -O2 -fcondition-coverage Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: ipa Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 57884 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57884&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O2 -fcondition-coverage testcase.c -wrapper valgrind,-q ==26792== Invalid write of size 4 ==26792== at 0xF3D16E: bitmap_set_bit(bitmap_head*, int) (bitmap.cc:975) ==26792== by 0xFB61F3: symtab_node::check_ifunc_callee_symtab_nodes() (symtab.cc:1449) ==26792== by 0xFCF454: symbol_table::compile() [clone .part.0] (cgraphunit.cc:2320) ==26792== by 0xFD2797: compile (cgraphunit.cc:2315) ==26792== by 0xFD2797: symbol_table::finalize_compilation_unit() (cgraphunit.cc:2589) ==26792== by 0x1513631: compile_file() (toplev.cc:476) ==26792== by 0xDE845B: do_compile (toplev.cc:2154) ==26792== by 0xDE845B: toplev::main(int, char**) (toplev.cc:2310) ==26792== by 0xDE9C3A: main (main.cc:39) ==26792== Address 0x527a330 is 32 bytes inside a block of size 65,536 alloc'd ==26792== at 0x483E804: malloc (vg_replace_malloc.c:442) ==26792== by 0x2AA5B4B: xmalloc (xmalloc.c:149) ==26792== by 0x2AA2384: call_chunkfun (obstack.c:94) ==26792== by 0x2AA2384: _obstack_begin_worker (obstack.c:141) ==26792== by 0xFD0EDE: analyze_functions(bool) (cgraphunit.cc:1172) ==26792== by 0xFD272D: symbol_table::finalize_compilation_unit() (cgraphunit.cc:2560) ==26792== by 0x1513631: compile_file() (toplev.cc:476) ==26792== by 0xDE845B: do_compile (toplev.cc:2154) ==26792== by 0xDE845B: toplev::main(int, char**) (toplev.cc:2310) ==26792== by 0xDE9C3A: main (main.cc:39) ... during IPA pass: profile testcase.c: In function 'do_all_fn_LHASH_DOALL_ARG_arg2': testcase.c:16:1: internal compiler error: Segmentation fault 16 | } | ^ 0x151314f crash_signal /repo/gcc-trunk/gcc/toplev.cc:319 0x15fba9a hash_table_mod1(unsigned int, unsigned int) /repo/gcc-trunk/gcc/hash-table.h:344 0x15fba9a hash_table<hash_map<gcond*, unsigned int, simple_hashmap_traits<default_hash_traits<gcond*>, unsigned int> >::hash_entry, false, xcallocator>::find_with_hash(gcond* const&, unsigned int) /repo/gcc-trunk/gcc/hash-table.h:985 0x15f9c9b hash_map<gcond*, unsigned int, simple_hashmap_traits<default_hash_traits<gcond*>, unsigned int> >::get(gcond* const&) /repo/gcc-trunk/gcc/hash-map.h:191 0x15f9c9b condition_uid /repo/gcc-trunk/gcc/tree-profile.cc:370 0x15f9c9b find_conditions(function*) /repo/gcc-trunk/gcc/tree-profile.cc:877 0x140dc23 branch_prob(bool) /repo/gcc-trunk/gcc/profile.cc:1549 0x15f92f4 tree_profiling /repo/gcc-trunk/gcc/tree-profile.cc:1917 0x15f92f4 execute /repo/gcc-trunk/gcc/tree-profile.cc:2046 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-r14-9799-20240405035546-g4c8b3600c48-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-r14-9799-20240405035546-g4c8b3600c48-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.1 20240405 (experimental) (GCC)