https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109524
Bug ID: 109524 Summary: [13 Regression] ICE: SIGSEGV in remove_unreachable::remove_and_update_globals (tree-vrp.cc:136) with -O3 -fno-tree-forwprop -fnon-call-exceptions -fno-tree-ccp -fno-tree-fre Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization 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 54867 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54867&action=edit auto-reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O3 -fno-tree-forwprop -fnon-call-exceptions -fno-tree-ccp -fno-tree-fre testcase.C -w -wrapper valgrind,-q,--track-origins=yes ==2129== Invalid read of size 8 ==2129== at 0x197A872: remove_unreachable::remove_and_update_globals(bool) [clone .part.0] (tree-vrp.cc:136) ==2129== by 0x197CC3D: remove_and_update_globals (tree-vrp.cc:1106) ==2129== by 0x197CC3D: execute_ranger_vrp(function*, bool, bool) (tree-vrp.cc:1104) ==2129== by 0x15B4E8A: execute_one_pass(opt_pass*) (passes.cc:2651) ==2129== by 0x15B577F: execute_pass_list_1(opt_pass*) (passes.cc:2760) ==2129== by 0x15B5791: execute_pass_list_1(opt_pass*) (passes.cc:2761) ==2129== by 0x15B57B8: execute_pass_list(function*, opt_pass*) (passes.cc:2771) ==2129== by 0x11E5605: expand (cgraphunit.cc:1841) ==2129== by 0x11E5605: cgraph_node::expand() (cgraphunit.cc:1794) ==2129== by 0x11E694A: expand_all_functions (cgraphunit.cc:2024) ==2129== by 0x11E694A: symbol_table::compile() [clone .part.0] (cgraphunit.cc:2398) ==2129== by 0x11E94A7: compile (cgraphunit.cc:2311) ==2129== by 0x11E94A7: symbol_table::finalize_compilation_unit() (cgraphunit.cc:2583) ==2129== by 0x16B5541: compile_file() (toplev.cc:471) ==2129== by 0xE11068: do_compile (toplev.cc:2125) ==2129== by 0xE11068: toplev::main(int, char**) (toplev.cc:2277) ==2129== by 0xE12D0A: main (main.cc:39) ==2129== Address 0x55a4840 is in a rw- anonymous segment ==2129== ==2129== Invalid read of size 1 ==2129== at 0x197A876: remove_unreachable::remove_and_update_globals(bool) [clone .part.0] (tree-vrp.cc:136) ==2129== by 0x58E1A47: ??? ==2129== by 0x197CC3D: remove_and_update_globals (tree-vrp.cc:1106) ==2129== by 0x197CC3D: execute_ranger_vrp(function*, bool, bool) (tree-vrp.cc:1104) ==2129== by 0x15B4E8A: execute_one_pass(opt_pass*) (passes.cc:2651) ==2129== by 0x15B577F: execute_pass_list_1(opt_pass*) (passes.cc:2760) ==2129== by 0x15B5791: execute_pass_list_1(opt_pass*) (passes.cc:2761) ==2129== by 0x15B57B8: execute_pass_list(function*, opt_pass*) (passes.cc:2771) ==2129== by 0x11E5605: expand (cgraphunit.cc:1841) ==2129== by 0x11E5605: cgraph_node::expand() (cgraphunit.cc:1794) ==2129== by 0x11E694A: expand_all_functions (cgraphunit.cc:2024) ==2129== by 0x11E694A: symbol_table::compile() [clone .part.0] (cgraphunit.cc:2398) ==2129== by 0x11E94A7: compile (cgraphunit.cc:2311) ==2129== by 0x11E94A7: symbol_table::finalize_compilation_unit() (cgraphunit.cc:2583) ==2129== by 0x16B5541: compile_file() (toplev.cc:471) ==2129== by 0xE11068: do_compile (toplev.cc:2125) ==2129== by 0xE11068: toplev::main(int, char**) (toplev.cc:2277) ==2129== Address 0xa5a5a5a5a5a5a5f6 is not stack'd, malloc'd or (recently) free'd ==2129== during GIMPLE pass: vrp testcase.C: In function 'void AddGRFTextToList()': testcase.C:30:6: internal compiler error: Segmentation fault 30 | void AddGRFTextToList() { | ^~~~~~~~~~~~~~~~ 0x16b507f crash_signal /repo/gcc-trunk/gcc/toplev.cc:314 0x197a876 remove_unreachable::remove_and_update_globals(bool) /repo/gcc-trunk/gcc/tree-vrp.cc:136 ... $ 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-r13-7181-20230414111512-gb0e85485fbf-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/13.0.1/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-r13-7181-20230414111512-gb0e85485fbf-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.0.1 20230414 (experimental) (GCC)