| Issue |
174331
|
| Summary |
[clang] Assertion `(T->hasSignedIntegerRepresentation() || T->isSignedFixedPointType()) && "Unexpected signed integer or fixed point type"' failed.
|
| Labels |
clang:frontend,
regression,
crash-on-invalid
|
| Assignees |
|
| Reporter |
k-arrows
|
Reproducer:
https://godbolt.org/z/TPh3vjqqv
```cpp
void foo(_Bool *zn) { printf("%zn", zn); }
```
The above reproducer is available at:
https://github.com/k-arrows/clang-assert-tests/blob/main/cases/00051.cpp
Backtrace:
```console
clang++: /root/llvm-project/llvm/tools/clang/lib/AST/ASTContext.cpp:12294: clang::QualType clang::ASTContext::getCorrespondingSignedType(clang::QualType) const: Assertion `(T->hasSignedIntegerRepresentation() || T->isSignedFixedPointType()) && "Unexpected signed integer or fixed point type"' 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 -x c <source>
1. <source>:1:39: current parser token ')'
2. <source>:1:21: parsing function body 'foo'
3. <source>:1:21: in compound statement ('{}')
#0 0x0000000004308698 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4308698)
#1 0x0000000004305ac4 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4305ac4)
#2 0x000000000424a568 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x00007a2c84842520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00007a2c848969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x00007a2c84842476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x00007a2c848287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x00007a2c8482871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
#8 0x00007a2c84839e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#9 0x0000000007994116 clang::ASTContext::getCorrespondingSignedType(clang::QualType) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7994116)
#10 0x0000000007dcad06 matchesSizeTPtrdiffT(clang::ASTContext&, clang::QualType, clang::QualType) FormatString.cpp:0:0
#11 0x0000000006ca2d11 (anonymous namespace)::CheckPrintfHandler::HandlePrintfSpecifier(clang::analyze_printf::PrintfSpecifier const&, char const*, unsigned int, clang::TargetInfo const&) SemaChecking.cpp:0:0
#12 0x00000000080b5031 clang::analyze_format_string::ParsePrintfString(clang::analyze_format_string::FormatStringHandler&, char const*, char const*, clang::LangOptions const&, clang::TargetInfo const&, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x80b5031)
#13 0x0000000006cb6ce9 checkFormatStringExpr(clang::Sema&, clang::StringLiteral const*, clang::Expr const*, llvm::ArrayRef<clang::Expr const*>, clang::Sema::FormatArgumentPassingKind, unsigned int, unsigned int, clang::FormatStringType, clang::VariadicCallType, bool, llvm::SmallBitVector&, (anonymous namespace)::UncoveredArgHandler&, llvm::APSInt, std::optional<unsigned int>*, bool) SemaChecking.cpp:0:0
#14 0x0000000006cb7081 clang::Sema::CheckFormatArguments(llvm::ArrayRef<clang::Expr const*>, clang::Sema::FormatArgumentPassingKind, clang::StringLiteral*, unsigned int, unsigned int, clang::FormatStringType, clang::VariadicCallType, clang::SourceLocation, clang::SourceRange, llvm::SmallBitVector&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6cb7081)
#15 0x0000000006cb8477 clang::Sema::CheckFormatArguments(clang::FormatAttr const*, llvm::ArrayRef<clang::Expr const*>, bool, clang::VariadicCallType, clang::SourceLocation, clang::SourceRange, llvm::SmallBitVector&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6cb8477)
#16 0x0000000006cbd9fb clang::Sema::checkCall(clang::NamedDecl*, clang::FunctionProtoType const*, clang::Expr const*, llvm::ArrayRef<clang::Expr const*>, bool, clang::SourceLocation, clang::SourceRange, clang::VariadicCallType) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6cbd9fb)
#17 0x0000000006cbfc7c clang::Sema::CheckFunctionCall(clang::FunctionDecl*, clang::CallExpr*, clang::FunctionProtoType const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6cbfc7c)
#18 0x0000000006fc6bcb clang::Sema::BuildResolvedCallExpr(clang::Expr*, clang::NamedDecl*, clang::SourceLocation, llvm::ArrayRef<clang::Expr*>, clang::SourceLocation, clang::Expr*, bool, clang::CallExpr::ADLCallKind) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6fc6bcb)
#19 0x0000000006fc1aea clang::Sema::BuildCallExpr(clang::Scope*, clang::Expr*, clang::SourceLocation, llvm::MutableArrayRef<clang::Expr*>, clang::SourceLocation, clang::Expr*, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6fc1aea)
#20 0x0000000006fc7a4c clang::Sema::ActOnCallExpr(clang::Scope*, clang::Expr*, clang::SourceLocation, llvm::MutableArrayRef<clang::Expr*>, clang::SourceLocation, clang::Expr*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6fc7a4c)
#21 0x0000000006ac5d27 clang::Parser::ParsePostfixExpressionSuffix(clang::ActionResult<clang::Expr*, true>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6ac5d27)
#22 0x0000000006abec3a clang::Parser::ParseCastExpression(clang::CastParseKind, bool, bool&, clang::TypoCorrectionTypeBehavior, bool, bool*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6abec3a)
#23 0x0000000006ac0e97 clang::Parser::ParseCastExpression(clang::CastParseKind, bool, clang::TypoCorrectionTypeBehavior, bool, bool*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6ac0e97)
#24 0x0000000006ac0f29 clang::Parser::ParseAssignmentExpression(clang::TypoCorrectionTypeBehavior) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6ac0f29)
#25 0x0000000006ac5509 clang::Parser::ParseExpression(clang::TypoCorrectionTypeBehavior) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6ac5509)
#26 0x0000000006b4adc9 clang::Parser::ParseExprStatement(clang::Parser::ParsedStmtContext) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b4adc9)
#27 0x0000000006b42274 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&, clang::LabelDecl*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b42274)
#28 0x0000000006b42c56 clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::LabelDecl*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b42c56)
#29 0x0000000006b4b59e clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b4b59e)
#30 0x0000000006b4bdea clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b4bdea)
#31 0x0000000006a51d4b clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a51d4b)
#32 0x0000000006a8820d 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+++0x6a8820d)
#33 0x0000000006a44eab clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a44eab)
#34 0x0000000006a4569f clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a4569f)
#35 0x0000000006a4d4ca clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a4d4ca)
#36 0x0000000006a4e465 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a4e465)
#37 0x0000000006a4e910 clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a4e910)
#38 0x0000000006a2f4b3 clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a2f4b3)
#39 0x0000000004c69a48 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c69a48)
#40 0x0000000004f60215 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4f60215)
#41 0x0000000004ee03ce clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4ee03ce)
#42 0x000000000505a59d clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x505a59d)
#43 0x0000000000de704c cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xde704c)
#44 0x0000000000ddda9a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) driver.cpp:0:0
#45 0x0000000000dddc1d int llvm::function_ref<int (llvm::SmallVectorImpl<char const*>&)>::callback_fn<clang_main(int, char**, llvm::ToolContext const&)::'lambda'(llvm::SmallVectorImpl<char const*>&)>(long, llvm::SmallVectorImpl<char const*>&) driver.cpp:0:0
#46 0x0000000004cdc119 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
#47 0x000000000424aa04 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x424aa04)
#48 0x0000000004cdc72f 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
#49 0x0000000004c9d212 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c9d212)
#50 0x0000000004c9e1be 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+++0x4c9e1be)
#51 0x0000000004ca5615 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4ca5615)
#52 0x0000000000de3441 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xde3441)
#53 0x0000000000c8dd74 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc8dd74)
#54 0x00007a2c84829d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#55 0x00007a2c84829e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#56 0x0000000000ddd535 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xddd535)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134
```
This seems a regression on trunk:
https://godbolt.org/z/eY8Yvr5T4
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