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Assertion: "Initializer for struct element doesn't match!" #46270

Closed llvmbot closed 1 year ago

llvmbot commented 4 years ago
Bugzilla Link 46926
Version trunk
OS Linux
Attachments Files requested by the error output
Reporter LLVM Bugzilla Contributor
CC @zygoloid

Extended Description

I discovered this on a release build of clang 10.0.1, but reproduced it on a debug build of 10.0.1 and the current master (ec1445c5afda7f145a414f11c9103c87a4c1823f). In the release build, the error message was "fatal error: error in backend: Type mismatch in constant table!". Somehow the inclusion of the type_info constructor seems to trigger this issue. but I can work around it by moving the whole struct and the function definitions into a different file.

clang-10: /SSDATA/llvm-project/llvm/lib/IR/Constants.cpp:1147: llvm::ConstantAggregate::ConstantAggregate(llvm::Type, llvm::Value::ValueTy, llvm::ArrayRef<llvm::Constant>): Assertion `V[I]->getType() == ST->getTypeAtIndex(I) && "Initializer for struct element doesn't match!"' failed. PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script. Stack dump:

  1. Program arguments: /SSDATA/llvm-project/build/bin/clang-10 -cc1 -triple i386-pc-windows-msvc19.11.0 -emit-llvm-bc -emit-llvm-uselists -save-temps=cwd -disable-free -main-file-name main.cpp -mrelocation-model static -mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases -ffreestanding -target-cpu pentium3 -resource-dir /SSDATA/llvm-project/build/lib/clang/12.0.0 -Wno-ignored-attributes -fdeprecated-macro -fdebug-compilation-dir /home/venom/Sync/xbox_dev/nxdk-txmltest/samples/hello++ -ferror-limit 19 -fno-builtin -fno-rtti -fno-use-cxa-atexit -fms-extensions -fms-compatibility -fms-compatibility-version=19.11 -std=c++14 -fdelayed-template-parsing -fcxx-exceptions -fexceptions -fcolor-diagnostics -disable-llvm-passes -faddrsig -o main.bc -x c++-cpp-output main.ii
  2. parser at end of file
  3. /home/venom/Sync/xbox_dev/nxdk-txmltest/samples/hello++/main.cpp:35:5: LLVM IR generation of declaration 'main'
  4. /home/venom/Sync/xbox_dev/nxdk-txmltest/samples/hello++/main.cpp:35:5: Generating code for declaration 'main'

    ​0 0x00005626c66e9711 llvm::sys::PrintStackTrace(llvm::raw_ostream&) /SSDATA/llvm-project/llvm/lib/Support/Unix/Signals.inc:564:22

    ​1 0x00005626c66e97a4 PrintStackTraceSignalHandler(void*) /SSDATA/llvm-project/llvm/lib/Support/Unix/Signals.inc:625:1

    ​2 0x00005626c66e756f llvm::sys::RunSignalHandlers() /SSDATA/llvm-project/llvm/lib/Support/Signals.cpp:68:20

    ​3 0x00005626c66e90a0 SignalHandler(int) /SSDATA/llvm-project/llvm/lib/Support/Unix/Signals.inc:406:1

    ​4 0x00007f45d7162960 __restore_rt (/usr/lib/libpthread.so.0+0x14960)

    ​5 0x00007f45d6be9355 raise (/usr/lib/libc.so.6+0x3c355)

    ​6 0x00007f45d6bd2853 abort (/usr/lib/libc.so.6+0x25853)

    ​7 0x00007f45d6bd2727 _nl_load_domain.cold (/usr/lib/libc.so.6+0x25727)

    ​8 0x00007f45d6be1936 (/usr/lib/libc.so.6+0x34936)

    ​9 0x00005626c5c25457 llvm::ConstantAggregate::ConstantAggregate(llvm::Type, llvm::Value::ValueTy, llvm::ArrayRef<llvm::Constant>) /SSDATA/llvm-project/llvm/lib/IR/Constants.cpp:1147:7

    ​10 0x00005626c5c259c4 llvm::ConstantStruct::ConstantStruct(llvm::StructType, llvm::ArrayRef<llvm::Constant>) /SSDATA/llvm-project/llvm/lib/IR/Constants.cpp:1214:3

    ​11 0x00005626c5c3ccda llvm::ConstantAggrKeyType::create(llvm::StructType*) const /SSDATA/llvm-project/llvm/lib/IR/ConstantsContext.h:455:60

    ​12 0x00005626c5c394ec llvm::ConstantUniqueMap::create(llvm::StructType, llvm::ConstantAggrKeyType, std::pair<unsigned int, std::pair<llvm::StructType, llvm::ConstantAggrKeyType > >&) /SSDATA/llvm-project/llvm/lib/IR/ConstantsContext.h:715:20

    ​13 0x00005626c5c356f4 llvm::ConstantUniqueMap::getOrCreate(llvm::StructType*, llvm::ConstantAggrKeyType) /SSDATA/llvm-project/llvm/lib/IR/ConstantsContext.h:734:22

    ​14 0x00005626c5c25be3 llvm::ConstantStruct::get(llvm::StructType, llvm::ArrayRef<llvm::Constant>) /SSDATA/llvm-project/llvm/lib/IR/Constants.cpp:1244:67

    ​15 0x00005626c7072708 (anonymous namespace)::MicrosoftCXXABI::getAddrOfRTTIDescriptor(clang::QualType) /SSDATA/llvm-project/clang/lib/CodeGen/MicrosoftCXXABI.cpp:3887:32

    ​16 0x00005626c707242d (anonymous namespace)::MicrosoftCXXABI::getAddrOfCXXCatchHandlerType(clang::QualType, clang::QualType) /SSDATA/llvm-project/clang/lib/CodeGen/MicrosoftCXXABI.cpp:3848:72

    ​17 0x00005626c6bfa117 clang::CodeGen::CodeGenFunction::EnterCXXTryStmt(clang::CXXTryStmt const&, bool) /SSDATA/llvm-project/clang/lib/CodeGen/CGException.cpp:604:43

    ​18 0x00005626c6bf9f05 clang::CodeGen::CodeGenFunction::EmitCXXTryStmt(clang::CXXTryStmt const&) /SSDATA/llvm-project/clang/lib/CodeGen/CGException.cpp:576:27

    ​19 0x00005626c6ca00b9 clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const, llvm::ArrayRef<clang::Attr const>) /SSDATA/llvm-project/clang/lib/CodeGen/CGStmt.cpp:188:5

    ​20 0x00005626c6ca0e96 clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt const&, bool, clang::CodeGen::AggValueSlot) /SSDATA/llvm-project/clang/lib/CodeGen/CGStmt.cpp:418:3

    ​21 0x00005626c6cc3a41 clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*) /SSDATA/llvm-project/clang/lib/CodeGen/CodeGenFunction.cpp:1147:36

    ​22 0x00005626c6cc46c3 clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl, llvm::Function*, clang::CodeGen::CGFunctionInfo const&) /SSDATA/llvm-project/clang/lib/CodeGen/CodeGenFunction.cpp:1312:21

    ​23 0x00005626c6ab6fdb clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl, llvm::GlobalValue*) /SSDATA/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp:4541:3

    ​24 0x00005626c6aafbac clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl, llvm::GlobalValue*) /SSDATA/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp:2901:47

    ​25 0x00005626c6aaeb72 clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl) /SSDATA/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp:2654:5

    ​26 0x00005626c6abb12c clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (.localalias) /SSDATA/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp:5355:37

    ​27 0x00005626c776c93d (anonymous namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef) /SSDATA/llvm-project/clang/lib/CodeGen/ModuleBuilder.cpp:169:7

    ​28 0x00005626c77670b6 clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef) /SSDATA/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp:216:7

    ​29 0x00005626c98d0bbf clang::ParseAST(clang::Sema&, bool, bool) /SSDATA/llvm-project/clang/lib/Parse/ParseAST.cpp:162:20

    ​30 0x00005626c75c38a1 clang::ASTFrontendAction::ExecuteAction() /SSDATA/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1057:11

    ​31 0x00005626c7764e75 clang::CodeGenAction::ExecuteAction() /SSDATA/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp:1183:1

    ​32 0x00005626c75c3206 clang::FrontendAction::Execute() /SSDATA/llvm-project/clang/lib/Frontend/FrontendAction.cpp:954:38

    ​33 0x00005626c7500e15 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /SSDATA/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:984:42

    ​34 0x00005626c7752f04 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) /SSDATA/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:278:38

    ​35 0x00005626c4d6a0a0 cc1_main(llvm::ArrayRef<char const>, char const, void*) /SSDATA/llvm-project/clang/tools/driver/cc1_main.cpp:240:40

    ​36 0x00005626c4d5f9b7 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) /SSDATA/llvm-project/clang/tools/driver/driver.cpp:330:20

    ​37 0x00005626c4d60168 main /SSDATA/llvm-project/clang/tools/driver/driver.cpp:407:26

    ​38 0x00007f45d6bd4002 __libc_start_main (/usr/lib/libc.so.6+0x27002)

    ​39 0x00005626c4d5e05e _start (/SSDATA/llvm-project/build/bin/clang-10+0x5fee05e)

    clang-10: error: unable to execute command: Aborted (core dumped) clang-10: error: clang frontend command failed due to signal (use -v to see invocation) clang version 12.0.0 (https://github.com/llvm/llvm-project.git ec1445c5afda7f145a414f11c9103c87a4c1823f) Target: i386-pc-windows-msvc Thread model: posix InstalledDir: /SSDATA/llvm-project/build/bin clang-10: note: diagnostic msg:

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: Preprocessed source(s) and associated run script(s) are located at: clang-10: note: diagnostic msg: /tmp/main-646f71.cpp clang-10: note: diagnostic msg: /tmp/main-646f71.sh clang-10: note: diagnostic msg:

Endilll commented 1 year ago

Appears to be fixed in Clang 15: https://godbolt.org/z/c5dWejTPc Reduced by C-Reduce:

class type_info {
  virtual ~type_info();
  type_info();
};
type_info::type_info() { throw 0; }
llvmbot commented 1 year ago

@llvm/issue-subscribers-clang-codegen