README.md

$ lldb --version
lldb-1001.0.12.1
  Swift-5.0

$ lldb -x armv7k-binary
(lldb) target create "armv7k-binary"
Current executable set to 'armv7k-binary' (armv7k).
(lldb) b mini-runtime.c:3198
Assertion failed: (!m_cancel_scopes), function ExtractDIEsScoped, file /Library/Caches/com.apple.xbs/Sources/lldb/lldb-1001.0.12.1/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp, line 114
backtrace leading to the failure:
0  LLDB          0x0000000107a6a325 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 37
1  LLDB          0x0000000109a1548d lldb_private::lldb_assert(bool, char const*, char const*, char const*, unsigned int) + 131
2  LLDB          0x0000000109b0881b DWARFUnit::ExtractDIEsScoped() + 171
3  LLDB          0x0000000109b0912b DWARFUnit::BuildAddressRangeTable(SymbolFileDWARF*, DWARFDebugAranges*) + 243
4  LLDB          0x0000000109b1baeb DWARFDebugInfo::GetCompileUnitAranges() + 643
5  LLDB          0x0000000109b3c6b4 SymbolFileDWARF::ResolveSymbolContext(lldb_private::Address const&, unsigned int, lldb_private::SymbolContext&) + 210
6  LLDB          0x0000000109ba24ab lldb_private::SymbolVendor::ResolveSymbolContext(lldb_private::Address const&, unsigned int, lldb_private::SymbolContext&) + 97
7  LLDB          0x00000001099945e0 lldb_private::Module::ResolveSymbolContextForAddress(lldb_private::Address const&, unsigned int, lldb_private::SymbolContext&, bool) + 450
8  LLDB          0x0000000109954cc0 lldb_private::Address::CalculateSymbolContext(lldb_private::SymbolContext*, unsigned int) const + 198
9  LLDB          0x0000000109b89dba lldb_private::CompileUnit::ResolveSymbolContext(lldb_private::FileSpec const&, unsigned int, bool, bool, unsigned int, lldb_private::SymbolContextList&) + 612
10 LLDB          0x00000001098dd442 lldb_private::BreakpointResolverFileLine::SearchCallback(lldb_private::SearchFilter&, lldb_private::SymbolContext&, lldb_private::Address*, bool) + 250
11 LLDB          0x00000001099bb0f6 lldb_private::SearchFilter::DoModuleIteration(lldb_private::SymbolContext const&, lldb_private::Searcher&) + 336
12 LLDB          0x00000001099baf75 lldb_private::SearchFilter::Search(lldb_private::Searcher&) + 113
13 LLDB          0x0000000109c00f99 lldb_private::Target::AddBreakpoint(std::__1::shared_ptr<lldb_private::Breakpoint>, bool) + 211
14 LLDB          0x0000000109c0236f lldb_private::Target::CreateBreakpoint(std::__1::shared_ptr<lldb_private::SearchFilter>&, std::__1::shared_ptr<lldb_private::BreakpointResolver>&, bool, bool, bool) + 275
15 LLDB          0x0000000109c0270e lldb_private::Target::CreateBreakpoint(lldb_private::FileSpecList const*, lldb_private::FileSpec const&, unsigned int, unsigned int, unsigned long long, lldb_private::LazyBool, lldb_private::LazyBool, bool, bool, lldb_private::LazyBool) + 782
16 LLDB          0x00000001098ef767 CommandObjectBreakpointSet::DoExecute(lldb_private::Args&, lldb_private::CommandReturnObject&) + 2481
17 LLDB          0x0000000109a8bb47 lldb_private::CommandObjectParsed::Execute(char const*, lldb_private::CommandReturnObject&) + 425
18 LLDB          0x0000000109a7ef62 lldb_private::CommandInterpreter::HandleCommand(char const*, lldb_private::LazyBool, lldb_private::CommandReturnObject&, lldb_private::ExecutionContext*, bool, bool) + 1948
19 LLDB          0x0000000109a9095e lldb_private::CommandObjectRegexCommand::DoExecute(llvm::StringRef, lldb_private::CommandReturnObject&) + 772
20 LLDB          0x0000000109a8bcd0 lldb_private::CommandObjectRaw::Execute(char const*, lldb_private::CommandReturnObject&) + 310
21 LLDB          0x0000000109a7ef62 lldb_private::CommandInterpreter::HandleCommand(char const*, lldb_private::LazyBool, lldb_private::CommandReturnObject&, lldb_private::ExecutionContext*, bool, bool) + 1948
22 LLDB          0x0000000109a823f6 lldb_private::CommandInterpreter::IOHandlerInputComplete(lldb_private::IOHandler&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) + 372
23 LLDB          0x0000000109aa162b lldb_private::IOHandlerEditline::Run() + 255
24 LLDB          0x000000010996c168 lldb_private::Debugger::ExecuteIOHandlers() + 68
25 LLDB          0x0000000109a83080 lldb_private::CommandInterpreter::RunCommandInterpreter(bool, bool, lldb_private::CommandInterpreterRunOptions&) + 156
26 LLDB          0x00000001067ec34a lldb::SBDebugger::RunCommandInterpreter(bool, bool) + 62
27 lldb          0x000000010401f294 Driver::MainLoop() + 2442
28 lldb          0x000000010401f81d main + 306
29 libdyld.dylib 0x00007fff612923d5 start + 1
please file a bug report against lldb reporting this failure log, and as many details as possible
Breakpoint 1: where = armv7k-binary`mono_jit_runtime_invoke + 1598 at mini-runtime.c:3198:3, address = 0x005be654
(lldb)

armv7k-binary