[llvm-dev] lld/lto/win32 crash on DIE code

[Carlo Kok via llvm-dev]

Op 20-3-2018 om 12:40 schreef Evgeny Leviant:
> This one triggers an assertion in calculateSEHStateNumbers due to weird catchpad instruction
> in @_island_debug_invoke and many other functions. The code expects either pointer to a filter
> function or null in first operand, while you're passing pointer to structure:
> 
> catchpad within %80 [{i8*, i8*}* anon..., ...]
> 
> ________________________________________


I used the wrong exception method name, using the regular one now 
(__CxxFrameHandler3). Also tested it in latest clean llvm/debug and 
crashes how I get it locally too.


https://www.dropbox.com/s/n3e2eystps9qvwx/repro.tar?dl=0


 >	lld.exe!HandleAbort(int Sig) Line 411	C++	Symbols loaded.
  	ucrtbased.dll!raise(int signum) Line 541	C++	Symbols loaded.
  	ucrtbased.dll!abort() Line 64	C++	Symbols loaded.
  	ucrtbased.dll!common_assert_to_stderr_direct(const wchar_t * const 
expression, const wchar_t * const file_name, const unsigned int 
line_number) Line 161	C++	Symbols loaded.
  	ucrtbased.dll!common_assert_to_stderr<wchar_t>(const wchar_t * const 
expression, const wchar_t * const file_name, const unsigned int 
line_number) Line 175	C++	Symbols loaded.
  	ucrtbased.dll!common_assert<wchar_t>(const wchar_t * const 
expression, const wchar_t * const file_name, const unsigned int 
line_number, void * const return_address) Line 415	C++	Symbols loaded.
  	ucrtbased.dll!_wassert(const wchar_t * expression, const wchar_t * 
file_name, unsigned int line_number) Line 443	C++	Symbols loaded.
  	lld.exe!llvm::DwarfUnit::getOrCreateTypeDIE(const llvm::MDNode * 
TyNode) Line 753	C++	Symbols loaded.
  	lld.exe!llvm::DwarfUnit::addType(llvm::DIE & Entity, const 
llvm::DIType * Ty, llvm::dwarf::Attribute Attribute) Line 803	C++ 
Symbols loaded.
  	lld.exe!llvm::DwarfCompileUnit::applyVariableAttributes(const 
llvm::DbgVariable & Var, llvm::DIE & VariableDie) Line 980	C++	Symbols 
loaded.
  	lld.exe!llvm::DwarfCompileUnit::finishVariableDefinition(const 
llvm::DbgVariable & Var) Line 808	C++	Symbols loaded.
  	lld.exe!llvm::DwarfDebug::finishVariableDefinitions() Line 671	C++ 
Symbols loaded.
  	lld.exe!llvm::DwarfDebug::finalizeModuleInfo() Line 693	C++	Symbols 
loaded.
  	lld.exe!llvm::DwarfDebug::endModule() Line 784	C++	Symbols loaded.
  	lld.exe!llvm::AsmPrinter::doFinalization(llvm::Module & M) Line 1352 
C++	Symbols loaded.
  	lld.exe!llvm::FPPassManager::doFinalization(llvm::Module & M) Line 
1559	C++	Symbols loaded.
  	lld.exe!`anonymous 
namespace'::MPPassManager::runOnModule(llvm::Module & M) Line 1615	C++ 
Symbols loaded.
  	lld.exe!llvm::legacy::PassManagerImpl::run(llvm::Module & M) Line 
1700	C++	Symbols loaded.
  	lld.exe!llvm::legacy::PassManager::run(llvm::Module & M) Line 1732 
C++	Symbols loaded.
  	lld.exe!`anonymous namespace'::codegen(llvm::lto::Config & Conf, 
llvm::TargetMachine * TM, 
std::function<std::unique_ptr<llvm::lto::NativeObjectStream,std::default_delete<llvm::lto::NativeObjectStream> 
 > __cdecl(unsigned int)> AddStream, unsigned int Task, llvm::Module & 
Mod) Line 292	C++	Symbols loaded.
  	lld.exe!llvm::lto::backend(llvm::lto::Config & C, 
std::function<std::unique_ptr<llvm::lto::NativeObjectStream,std::default_delete<llvm::lto::NativeObjectStream> 
 > __cdecl(unsigned int)> AddStream, unsigned int 
ParallelCodeGenParallelismLevel, 
std::unique_ptr<llvm::Module,std::default_delete<llvm::Module> > Mod, 
llvm::ModuleSummaryIndex & CombinedIndex) Line 393	C++	Symbols loaded.
 
lld.exe!llvm::lto::LTO::runRegularLTO(std::function<std::unique_ptr<llvm::lto::NativeObjectStream,std::default_delete<llvm::lto::NativeObjectStream> 
 > __cdecl(unsigned int)> AddStream) Line 860	C++	Symbols loaded.
 
lld.exe!llvm::lto::LTO::run(std::function<std::unique_ptr<llvm::lto::NativeObjectStream,std::default_delete<llvm::lto::NativeObjectStream> 
 > __cdecl(unsigned int)> AddStream, 
std::function<std::function<std::unique_ptr<llvm::lto::NativeObjectStream,std::default_delete<llvm::lto::NativeObjectStream> 
 > __cdecl(unsigned int)> __cdecl(unsigned int,llvm::StringRef)> Cache) 
Line 793	C++	Symbols loaded.
  	lld.exe!lld::coff::BitcodeCompiler::compile() Line 141	C++	Symbols 
loaded.
  	lld.exe!lld::coff::SymbolTable::compileBitcodeFiles() Line 381	C++ 
Symbols loaded.
  	lld.exe!lld::coff::SymbolTable::addCombinedLTOObjects() Line 389	C++ 
Symbols loaded.
  	lld.exe!lld::coff::LinkerDriver::link(llvm::ArrayRef<char const *> 
ArgsArr) Line 1366	C++	Symbols loaded.
  	lld.exe!lld::coff::link(llvm::ArrayRef<char const *> Args, bool 
CanExitEarly, llvm::raw_ostream & Diag) Line 75	C++	Symbols loaded.
  	lld.exe!main(int Argc, const char * * Argv) Line 129	C++	Symbols loaded.
  	lld.exe!invoke_main() Line 78	C++	Symbols loaded.
  	lld.exe!__scrt_common_main_seh() Line 283	C++	Symbols loaded.
  	lld.exe!__scrt_common_main() Line 326	C++	Symbols loaded.
  	lld.exe!mainCRTStartup() Line 17	C++	Symbols loaded.
  	kernel32.dll!75568654()	Unknown	No symbols loaded.
  	[Frames below may be incorrect and/or missing, no symbols loaded for 
kernel32.dll]		Annotated Frame
  	ntdll.dll!__RtlUserThreadStart()	Unknown	Symbols loaded.
  	ntdll.dll!__RtlUserThreadStart at 8
()	Unknown	Symbols loaded.