typedef void (*__funcref fn)(void);
extern "C" fn table[1];

void foo() { table[1](); }

fatal error: error in backend: Cannot select: 0x19f4fbc8: funcref,ch = load<(load (s0) from `ptr getelementptr inbounds ([1 x ptr addrspace(20)], ptr @table, i32 0, i32 1)`)> 0x19f16670, 0x19f4fa60, undef:i32, example.cpp:4:14
  0x19f4fa60: i32 = add nuw 0x19f4fd30, Constant:i32<1>, example.cpp:4:14
    0x19f4fd30: i32 = WebAssemblyISD::Wrapper TargetGlobalAddress:i32<ptr @table> 0, example.cpp:4:14
      0x19f4fad8: i32 = TargetGlobalAddress<ptr @table> 0, example.cpp:4:14
    0x19f4f9e8: i32 = Constant<1>
  0x19f4fb50: i32 = undef
In function: _Z3foov
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /opt/compiler-explorer/clang-trunk/bin/clang++ -g -o /app/output.s -fno-verbose-asm -S -target wasm32 -fcolor-diagnostics -fno-crash-diagnostics <source>
1.	<eof> parser at end of file
2.	Code generation
3.	Running pass 'Function Pass Manager' on module '<source>'.
4.	Running pass 'WebAssembly Instruction Selection' on function '@_Z3foov'
 #0 0x0000000003c65448 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x3c65448)
 #1 0x0000000003c6358c llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x3c6358c)
 #2 0x0000000003bb4273 llvm::CrashRecoveryContext::HandleExit(int) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x3bb4273)
 #3 0x0000000003c5b09e llvm::sys::Process::Exit(int, bool) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x3c5b09e)
 #4 0x0000000000dbd4fb LLVMErrorHandler(void*, char const*, bool) cc1_main.cpp:0:0
 #5 0x0000000003bbe0a3 llvm::report_fatal_error(llvm::Twine const&, bool) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x3bbe0a3)
 #6 0x000000000521c288 llvm::SelectionDAGISel::CannotYetSelect(llvm::SDNode*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x521c288)
 #7 0x00000000052225f9 llvm::SelectionDAGISel::SelectCodeCommon(llvm::SDNode*, unsigned char const*, unsigned int) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x52225f9)
 #8 0x00000000025cf86f (anonymous namespace)::WebAssemblyDAGToDAGISel::Select(llvm::SDNode*) WebAssemblyISelDAGToDAG.cpp:0:0
 #9 0x0000000005219774 llvm::SelectionDAGISel::DoInstructionSelection() (/opt/compiler-explorer/clang-trunk/bin/clang+++0x5219774)
#10 0x0000000005228272 llvm::SelectionDAGISel::CodeGenAndEmitDAG() (/opt/compiler-explorer/clang-trunk/bin/clang+++0x5228272)
#11 0x000000000522abea llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x522abea)
#12 0x000000000522cac6 llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x522cac6)
#13 0x00000000052192f1 llvm::SelectionDAGISelLegacy::runOnMachineFunction(llvm::MachineFunction&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x52192f1)
#14 0x000000000305c428 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (.part.0) MachineFunctionPass.cpp:0:0
#15 0x00000000035d1d92 llvm::FPPassManager::runOnFunction(llvm::Function&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x35d1d92)
#16 0x00000000035d2021 llvm::FPPassManager::runOnModule(llvm::Module&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x35d2021)
#17 0x00000000035d3989 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x35d3989)
#18 0x0000000003f170cd clang::emitBackendOutput(clang::CompilerInstance&, clang::CodeGenOptions&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x3f170cd)
#19 0x00000000045ae945 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x45ae945)
#20 0x00000000061fe3ac clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x61fe3ac)
#21 0x00000000045af4fd clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-trunk/bin/clang+++0x45af4fd)
#22 0x00000000048bf53a clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-trunk/bin/clang+++0x48bf53a)
#23 0x000000000483c22b clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x483c22b)
#24 0x00000000049b5293 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x49b5293)
#25 0x0000000000dbf432 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0xdbf432)
#26 0x0000000000db6d8d ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#27 0x0000000004621c59 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const::'lambda'()>(long) Job.cpp:0:0
#28 0x0000000003bb4173 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x3bb4173)
#29 0x0000000004621e79 clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const (.part.0) Job.cpp:0:0
#30 0x00000000045e4c7d clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-trunk/bin/clang+++0x45e4c7d)
#31 0x00000000045e5c41 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (/opt/compiler-explorer/clang-trunk/bin/clang+++0x45e5c41)
#32 0x00000000045f041c clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x45f041c)
#33 0x0000000000dbb981 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0xdbb981)
#34 0x0000000000c3caf4 main (/opt/compiler-explorer/clang-trunk/bin/clang+++0xc3caf4)
#35 0x00007f9bad229d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#36 0x00007f9bad229e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#37 0x0000000000db6825 _start (/opt/compiler-explorer/clang-trunk/bin/clang+++0xdb6825)
clang++: error: clang frontend command failed with exit code 70 (use -v to see invocation)
Compiler returned: 70