[clang][bytecode] Assertion `ItemTypes.back() == toPrimType<T>()' failed. #156178
Description
Reproducer:
https://godbolt.org/z/8vhaGaWxj
int a = 0;
int * b = &a;
void foo()
{
(*b) = ((&a == &a) , a);
}Backtrace:
clang: /root/llvm-project/llvm/tools/clang/lib/AST/ByteCode/InterpStack.h:52: void clang::interp::InterpStack::discard() [with T = clang::interp::Integral<32, true>]: 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 -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 <source>
1. <source>:7:1: current parser token '}'
2. <source>:5:1: parsing function body 'foo'
3. <source>:5:1: in compound statement ('{}')
#0 0x000000000404bc38 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x404bc38)
#1 0x0000000004049064 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4049064)
#2 0x0000000003f8d9f8 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x00007ae1dca42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00007ae1dca969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x00007ae1dca42476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x00007ae1dca287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x00007ae1dca2871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
#8 0x00007ae1dca39e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#9 0x00000000079b26ba clang::interp::EvalEmitter::emitPop(clang::interp::PrimType, clang::interp::SourceInfo const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x79b26ba)
#10 0x0000000007de52c5 clang::interp::Compiler<clang::interp::EvalEmitter>::VisitBinaryOperator(clang::BinaryOperator const*)::'lambda'(bool)::operator()(bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x7de52c5)
#11 0x0000000007e22104 clang::interp::Compiler<clang::interp::EvalEmitter>::VisitBinaryOperator(clang::BinaryOperator const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x7e22104)
#12 0x0000000007e188db clang::interp::Compiler<clang::interp::EvalEmitter>::discard(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x7e188db)
#13 0x0000000007e21c6b clang::interp::Compiler<clang::interp::EvalEmitter>::VisitBinaryOperator(clang::BinaryOperator const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x7e21c6b)
#14 0x0000000007e1ebfc clang::interp::Compiler<clang::interp::EvalEmitter>::visit(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x7e1ebfc)
#15 0x0000000007dee75f clang::interp::Compiler<clang::interp::EvalEmitter>::visitAssignment(clang::Expr const*, clang::Expr const*, clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x7dee75f)
#16 0x0000000007e224e2 clang::interp::Compiler<clang::interp::EvalEmitter>::VisitBinaryOperator(clang::BinaryOperator const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x7e224e2)
#17 0x0000000007e1ebfc clang::interp::Compiler<clang::interp::EvalEmitter>::visit(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x7e1ebfc)
#18 0x0000000007e13752 clang::interp::Compiler<clang::interp::EvalEmitter>::visitExpr(clang::Expr const*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x7e13752)
#19 0x00000000079aba7d clang::interp::EvalEmitter::interpretExpr(clang::Expr const*, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x79aba7d)
#20 0x00000000079856e8 clang::interp::Context::evaluateAsRValue(clang::interp::State&, clang::Expr const*, clang::APValue&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x79856e8)
#21 0x00000000078fd2b3 EvaluateAsRValue((anonymous namespace)::EvalInfo&, clang::Expr const*, clang::APValue&) ExprConstant.cpp:0:0
#22 0x00000000078ff331 clang::Expr::EvaluateForOverflow(clang::ASTContext const&) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x78ff331)
#23 0x00000000068f4806 clang::Sema::CheckForIntOverflow(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x68f4806)
#24 0x000000000693705c clang::Sema::CheckCompletedExpr(clang::Expr*, clang::SourceLocation, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x693705c)
#25 0x0000000006cab2d7 clang::Sema::ActOnFinishFullExpr(clang::Expr*, clang::SourceLocation, bool, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x6cab2d7)
#26 0x0000000006fb767e clang::Sema::ActOnExprStmt(clang::ActionResult<clang::Expr*, true>, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x6fb767e)
#27 0x00000000067bbc04 clang::Parser::ParseExprStatement(clang::Parser::ParsedStmtContext) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x67bbc04)
#28 0x00000000067b32e4 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x67b32e4)
#29 0x00000000067b4129 clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x67b4129)
#30 0x00000000067bc27b clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x67bc27b)
#31 0x00000000067bca8a clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x67bca8a)
#32 0x00000000066c468b clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x66c468b)
#33 0x00000000066faaed 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+0x66faaed)
#34 0x00000000066b745e clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x66b745e)
#35 0x00000000066b7bff clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x66b7bff)
#36 0x00000000066bfa3a clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x66bfa3a)
#37 0x00000000066c09d5 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x66c09d5)
#38 0x00000000066a093a clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x66a093a)
#39 0x0000000004975908 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4975908)
#40 0x0000000004c6e255 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4c6e255)
#41 0x0000000004be988e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4be988e)
#42 0x0000000004d62431 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4d62431)
#43 0x0000000000db171f cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xdb171f)
#44 0x0000000000da83ca ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#45 0x00000000049dda49 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
#46 0x0000000003f8de94 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x3f8de94)
#47 0x00000000049de05f 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
#48 0x000000000499f9fd clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x499f9fd)
#49 0x00000000049a0a8e 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+0x49a0a8e)
#50 0x00000000049a8a25 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x49a8a25)
#51 0x0000000000dadbd5 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xdadbd5)
#52 0x0000000000c61b34 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xc61b34)
#53 0x00007ae1dca29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#54 0x00007ae1dca29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#55 0x0000000000da7e75 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xda7e75)
clang: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134