https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240928
Bug ID: 240928
Summary: clang segfault when compiling with -march=bonnel
(CPUTYPE=atom in make.conf)
Product: Base System
Version: 11.3-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: b...@freebsd.org
Reporter: cui...@gmail.com
Clang 8.0.0 shipped with FreeBSD 11.3 seems to segfault when compiling certain
ports with -march=bonnel (CPUTYPE=atom specified in /etc/make.conf).
Here is a backtrace from gdb:
#0 0x0000000001cc65d3 in (anonymous
namespace)::X86MCCodeEmitter::encodeInstruction(llvm::MCInst const&,
llvm::raw_ostream&, llvm::SmallVectorImpl<llvm::MCFixup>&,
llvm::MCSubtargetInfo const&) const ()
#1 0x0000000002045312 in llvm::MCELFStreamer::EmitInstToData(llvm::MCInst
const&, llvm::MCSubtargetInfo const&) ()
#2 0x00000000020990c1 in llvm::MCObjectStreamer::EmitInstruction(llvm::MCInst
const&, llvm::MCSubtargetInfo const&, bool) ()
#3 0x0000000001a4a35e in
llvm::X86AsmPrinter::EmitInstruction(llvm::MachineInstr const*) ()
#4 0x0000000002ac10c5 in llvm::AsmPrinter::EmitFunctionBody() ()
#5 0x00000000018c65e8 in
llvm::X86AsmPrinter::runOnMachineFunction(llvm::MachineFunction&) ()
#6 0x0000000002ad5d6a in
llvm::MachineFunctionPass::runOnFunction(llvm::Function&) ()
#7 0x00000000025759dd in llvm::FPPassManager::runOnFunction(llvm::Function&)
()
#8 0x0000000002575ca3 in llvm::FPPassManager::runOnModule(llvm::Module&) ()
#9 0x000000000257607a in llvm::legacy::PassManagerImpl::run(llvm::Module&) ()
#10 0x000000000043250b in clang::EmitBackendOutput(clang::DiagnosticsEngine&,
clang::HeaderSearchOptions const&, clang::CodeGenOptions const&,
clang::TargetOptions const&, clang::LangOptions const&, llvm::DataLayout
const&, llvm::Module*, clang::BackendAction,
std::__1::unique_ptr<llvm::raw_pwrite_stream,
std::__1::default_delete<llvm::raw_pwrite_stream> >) ()
#11 0x000000000042da27 in
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) ()
#12 0x00000000008799c3 in clang::ParseAST(clang::Sema&, bool, bool) ()
#13 0x0000000000870f05 in clang::FrontendAction::Execute() ()
#14 0x0000000000dfc188 in
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) ()
#15 0x000000000040ec5a in
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) ()
#16 0x000000000040095c in cc1_main (Argv=..., Argv0=0x7fffffffdcf8
"/usr/bin/cc", MainAddr=0x409e40 <GetExecutablePath(char const*, bool)>)
at /usr/src/contrib/llvm/tools/clang/tools/driver/cc1_main.cpp:219
#17 0x000000000040c816 in ExecuteCC1Tool (argv=..., Tool=...) at
/usr/src/contrib/llvm/tools/clang/tools/driver/driver.cpp:310
#18 main (argc_=<optimized out>, argv_=0x7fffffffd610) at
/usr/src/contrib/llvm/tools/clang/tools/driver/driver.cpp:382
Attached are the debug files clang dumped in /tmp.
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