Open Quuxplusone opened 3 years ago
DRB112-linear-orig-no-9fab71.c
Created attachment 25123 Preprocessed source The segfault occurs randomly during compilation. When executing a benchmark with 177 kernels, the error occurs 1-2 times on my system. release-12.0.1 source is compiled on ubuntu 18.04 using gcc-10 and these flags: cmake -G Ninja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS='clang;clang- tools-extra;compiler-rt;openmp' I attach preprocessed source and script, although I cannot reproduce the segfault with the script. 0. Program arguments: /llvm-12.0.1/install_tree/bin/clang-12 -cc1 -triple x86_64-unknown-linux-gnu -emit-obj -mrelax-all --mrelax-relocations -disable- free -disable-llvm-verifier -discard-value-names -main-file-name DRB112-linear- orig-no.c -mrelocation-model static -mframe-pointer=all -fmath-errno -fno- rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune- cpu generic -fno-split-dwarf-inlining -debug-info-kind=limited -dwarf-version=4 -debugger-tuning=gdb -fprofile-update=atomic -resource-dir /llvm- 12.0.1/install_tree/lib/clang/12.0.1 -internal-isystem /usr/local/include - internal-isystem /llvm-12.0.1/install_tree/lib/clang/12.0.1/include -internal- externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fdebug-compilation-dir /home/drb/dataracebench -ferror-limit 19 -fopenmp -fopenmp-cuda-parallel-target- regions -fsanitize=thread -fgnuc-version=4.2.1 -fcolor-diagnostics -faddrsig -o /tmp/DRB112-linear-orig-no-9f0161.o -x c micro-benchmarks/DRB112-linear-orig- no.c 1. <eof> parser at end of file 2. Code generation #0 0x0000558590b8cc5d llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/llvm-12.0.1/install_tree/bin/clang-12+0x3010c5d) #1 0x0000558590b8a964 llvm::sys::RunSignalHandlers() (/llvm-12.0.1/install_tree/bin/clang-12+0x300e964) #2 0x0000558590b8aadb SignalHandler(int) (/llvm-12.0.1/install_tree/bin/clang-12+0x300eadb) #3 0x00001481b0b18980 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x12980) #4 0x0000558591746400 llvm::DIE::getUnitDie() const (/llvm-12.0.1/install_tree/bin/clang-12+0x3bca400) #5 0x000055859175168c llvm::DwarfDebug::finishEntityDefinitions() (/llvm-12.0.1/install_tree/bin/clang-12+0x3bd568c) #6 0x00005585917699d5 llvm::DwarfDebug::finalizeModuleInfo() (/llvm-12.0.1/install_tree/bin/clang-12+0x3bed9d5) #7 0x000055859176cb18 llvm::DwarfDebug::endModule() (/llvm-12.0.1/install_tree/bin/clang-12+0x3bf0b18) #8 0x0000558591738b89 llvm::AsmPrinter::doFinalization(llvm::Module&) (/llvm-12.0.1/install_tree/bin/clang-12+0x3bbcb89) #9 0x000055859036848d llvm::FPPassManager::doFinalization(llvm::Module&) (.localalias) (/llvm-12.0.1/install_tree/bin/clang-12+0x27ec48d) #10 0x00005585903742b0 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/llvm- 12.0.1/install_tree/bin/clang-12+0x27f82b0) #11 0x0000558590e46e9f clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::DataLayout const&, llvm::Module*, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream> >) (/llvm- 12.0.1/install_tree/bin/clang-12+0x32cae9f) #12 0x0000558591ad27e4 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/llvm- 12.0.1/install_tree/bin/clang-12+0x3f567e4) #13 0x00005585924bbde9 clang::ParseAST(clang::Sema&, bool, bool) (/llvm- 12.0.1/install_tree/bin/clang-12+0x493fde9) #14 0x0000558591479e29 clang::FrontendAction::Execute() (/llvm- 12.0.1/install_tree/bin/clang-12+0x38fde29) #15 0x000055859141a68b clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/llvm- 12.0.1/install_tree/bin/clang-12+0x389e68b) #16 0x000055859152b8b8 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/llvm- 12.0.1/install_tree/bin/clang-12+0x39af8b8) #17 0x000055858ea1eb04 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/llvm-12.0.1/install_tree/bin/clang-12+0xea2b04) #18 0x000055858ea1c257 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) (/llvm-12.0.1/install_tree/bin/clang-12+0xea0257) #19 0x000055858e96a24c main (/llvm-12.0.1/install_tree/bin/clang-12+0xdee24c) #20 0x00001481afb6fbf7 __libc_start_main /build/glibc-S9d2JN/glibc- 2.27/csu/../csu/libc-start.c:344:0 #21 0x000055858ea1bbfa _start (/llvm-12.0.1/install_tree/bin/clang-12+0xe9fbfa) clang-12: error: unable to execute command: Segmentation fault (core dumped) clang-12: error: clang frontend command failed due to signal (use -v to see invocation) clang version 12.0.1 Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /usr/bin clang-12: note: diagnostic msg: ********************
Attached DRB112-linear-orig-no-9fab71.c (175697 bytes, text/x-csrc): Preprocessed source
Likely a duplicate of bug 50611.
DRB112-linear-orig-no-9fab71.c
(175697 bytes, text/x-csrc)