[LLVMJIT] setBitsSlowCase crashing. why?

[trcrsired]

$ wavm run  --mount-root . ./construct_fstream_from_syscall.wasm 
unhandled SIGSEGV
Call stack:
  /home/cqwrteur/softwares/wavm/x86_64-generic-linux-gnu/lib/libWAVM.so.0!WAVM::Errors::fatalfWithCallStack(char const*, ...)+134
  /home/cqwrteur/softwares/wavm/x86_64-generic-linux-gnu/lib/libWAVM.so.0+2744867
  /usr/lib/libc.so.6+250319
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/libLLVMSupport.so.20.0git!llvm::APInt::setBitsSlowCase(unsigned int, unsigned int)+66
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/../lib/libLLVMAnalysis.so.20.0git+4896941
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/../lib/libLLVMAnalysis.so.20.0git+4916780
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/../lib/libLLVMAnalysis.so.20.0git!llvm::computeKnownBits(llvm::Value const*, llvm::KnownBits&, unsigned int, llvm::SimplifyQuery const&)+89
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/libLLVMInstCombine.so.20.0git+1602210
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/libLLVMInstCombine.so.20.0git+1631861
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/libLLVMInstCombine.so.20.0git+1634158
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/libLLVMInstCombine.so.20.0git+1553745
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/libLLVMInstCombine.so.20.0git+1574941
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/libLLVMInstCombine.so.20.0git+332624
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/libLLVMInstCombine.so.20.0git+341757
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/libLLVMInstCombine.so.20.0git!llvm::InstructionCombiningPass::runOnFunction(llvm::Function&)+1359
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/libLLVMCore.so.20.0git!llvm::FPPassManager::runOnFunction(llvm::Function&)+1608
  /home/cqwrteur/toolchains/llvm/x86_64-generic-linux-gnu/llvm/lib/libLLVMCore.so.20.0git!llvm::legacy::FunctionPassManagerImpl::run(llvm::Function&)+82
  /home/cqwrteur/softwares/wavm/x86_64-generic-linux-gnu/lib/libWAVM.so.0+4033714
  /home/cqwrteur/softwares/wavm/x86_64-generic-linux-gnu/lib/libWAVM.so.0!WAVM::LLVMJIT::compileLLVMModule(WAVM::LLVMJIT::LLVMContext&, llvm::Module&&, bool, llvm::TargetMachine*)+41
  /home/cqwrteur/softwares/wavm/x86_64-generic-linux-gnu/lib/libWAVM.so.0!WAVM::LLVMJIT::compileModule(WAVM::IR::Module const&, WAVM::LLVMJIT::TargetSpec const&)+118
  /home/cqwrteur/softwares/wavm/x86_64-generic-linux-gnu/lib/libWAVM.so.0!WAVM::Runtime::loadBinaryModule(unsigned char const*, unsigned long, std::shared_ptr<WAVM::Runtime::Module>&, WAVM::IR::FeatureSpec const&, WAVM::WASM::LoadError*)+371
  wavm+248628
  wavm+247285
  /home/cqwrteur/softwares/wavm/x86_64-generic-linux-gnu/lib/libWAVM.so.0!WAVM::Platform::catchSignals(void (*)(void*), bool (*)(void*, WAVM::Platform::Signal, WAVM::Platform::CallStack&&), void*)+205
  /home/cqwrteur/softwares/wavm/x86_64-generic-linux-gnu/lib/libWAVM.so.0!WAVM::Runtime::catchRuntimeExceptions(std::function<void ()> const&, std::function<void (WAVM::Runtime::Exception*)> const&)+70
  wavm+246268
  wavm+245815
  /usr/lib/libc.so.6+155143
  /usr/lib/libc.so.6+139
  wavm+81232
Aborted (core dumped)

[trcrsired]

consir.zip

I have tried configuring WAVM to generate unoptimized LLVM IR, which works without crashing. However, when generating optimized LLVM IR, it crashes. It used to work before. Could this imply that recent changes have introduced issues with specific optimizations?

[trcrsired]

@alexey-bataev Hi? ty