| Issue |
154110
|
| Summary |
[clang][bytecode] Assertion `ItemTypes.back() == toPrimType<T>()' failed.
|
| Labels |
crash,
clang:bytecode
|
| Assignees |
|
| Reporter |
k-arrows
|
Reproducer:
https://godbolt.org/z/KxcE49EjE
```cpp
struct S {
constexpr S(int a) : x(a) {}
int x;
};
constexpr int foo(int x) {
if (x == 3)
throw S(3);
else
return 42;
}
int y = foo(3);
```
Backtrace:
```console
clang++: /root/llvm-project/llvm/tools/clang/lib/AST/ByteCode/InterpStack.h:70: T& clang::interp::InterpStack::peek() const [with T = clang::interp::Pointer]: Assertion `ItemTypes.back() == toPrimType<T>()' failed.
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-assertions-trunk/bin/clang++ -gdwarf-4 -g -o /app/output.s -mllvm --x86-asm-syntax=intel -fno-verbose-asm -S --gcc-toolchain=/opt/compiler-explorer/gcc-snapshot -fcolor-diagnostics -fno-crash-diagnostics -fexperimental-new-constant-interpreter --std=c++14 <source>
1. <source>:13:15: current parser token ';'
#0 0x00000000040283f8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x40283f8)
#1 0x0000000004025824 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4025824)
#2 0x0000000003f6a058 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x000072c753042520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x000072c7530969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x000072c753042476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x000072c7530287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x000072c75302871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
#8 0x000072c753039e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#9 0x00000000079d6a40 clang::interp::EvalEmitter::emitCheckNonNullArg(clang::interp::PrimType, clang::interp::SourceInfo const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x79d6a40)
#10 0x0000000007ba1a71 clang::interp::Interpret(clang::interp::InterpState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7ba1a71)
#11 0x0000000007ba9b8c clang::interp::Call(clang::interp::InterpState&, clang::interp::CodePtr, clang::interp::Function const*, unsigned int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7ba9b8c)
#12 0x0000000007e3b288 clang::interp::Compiler<clang::interp::EvalEmitter>::VisitCallExpr(clang::CallExpr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7e3b288)
#13 0x0000000007e40b20 clang::interp::Compiler<clang::interp::EvalEmitter>::visit(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7e40b20)
#14 0x0000000007e35c82 clang::interp::Compiler<clang::interp::EvalEmitter>::visitVarDecl(clang::VarDecl const*, bool, bool)::'lambda0'(unsigned int)::operator()(unsigned int) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7e35c82)
#15 0x0000000007e3626a clang::interp::Compiler<clang::interp::EvalEmitter>::visitVarDecl(clang::VarDecl const*, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7e3626a)
#16 0x0000000007e366c4 clang::interp::Compiler<clang::interp::EvalEmitter>::visitDeclAndReturn(clang::VarDecl const*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7e366c4)
#17 0x00000000079dcf57 clang::interp::EvalEmitter::interpretDecl(clang::VarDecl const*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x79dcf57)
#18 0x00000000079beded clang::interp::Context::evaluateAsInitializer(clang::interp::State&, clang::VarDecl const*, clang::APValue&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x79beded)
#19 0x00000000079972e3 clang::Expr::EvaluateAsInitializer(clang::APValue&, clang::ASTContext const&, clang::VarDecl const*, llvm::SmallVectorImpl<std::pair<clang::SourceLocation, clang::PartialDiagnostic>>&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x79972e3)
#20 0x00000000077aca82 clang::VarDecl::evaluateValueImpl(llvm::SmallVectorImpl<std::pair<clang::SourceLocation, clang::PartialDiagnostic>>&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x77aca82)
#21 0x00000000077ace31 clang::VarDecl::checkForConstantInitialization(llvm::SmallVectorImpl<std::pair<clang::SourceLocation, clang::PartialDiagnostic>>&) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x77ace31)
#22 0x0000000006aa965b clang::Sema::CheckCompleteVariableDeclaration(clang::VarDecl*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6aa965b)
#23 0x0000000006ab0d8b clang::Sema::AddInitializerToDecl(clang::Decl*, clang::Expr*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6ab0d8b)
#24 0x0000000006713b1a clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6713b1a)
#25 0x0000000006722549 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::ParsedAttributes&, clang::Parser::ParsedTemplateInfo&, clang::SourceLocation*, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6722549)
#26 0x00000000066df8ae clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66df8ae)
#27 0x00000000066e004f clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66e004f)
#28 0x00000000066e7eaa clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66e7eaa)
#29 0x00000000066e8e45 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66e8e45)
#30 0x00000000066da9aa clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66da9aa)
#31 0x00000000049ca828 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49ca828)
#32 0x0000000004cbedf5 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4cbedf5)
#33 0x0000000004c3af9e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c3af9e)
#34 0x0000000004db0711 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4db0711)
#35 0x0000000000db082f cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdb082f)
#36 0x0000000000da74da ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#37 0x0000000004a32219 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
#38 0x0000000003f6a4f4 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3f6a4f4)
#39 0x0000000004a3282f 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
#40 0x00000000049f4acd clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49f4acd)
#41 0x00000000049f5b5e clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49f5b5e)
#42 0x00000000049fd5a5 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49fd5a5)
#43 0x0000000000dacce5 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdacce5)
#44 0x0000000000c60ed4 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc60ed4)
#45 0x000072c753029d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#46 0x000072c753029e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#47 0x0000000000da6f85 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xda6f85)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134
```
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