| Issue |
183075
|
| Summary |
[clang] UNREACHABLE executed in llvm-project/llvm/tools/clang/lib/AST/ASTContext.cpp
|
| Labels |
clang:frontend,
crash
|
| Assignees |
|
| Reporter |
k-arrows
|
Reproducer:
https://godbolt.org/z/M6ozrTM48
```cpp
int bar;
int foo()
{
(baz<> + baz<>);
}
```
Backtrace:
```console
cannot canonicalize unresolved template
UNREACHABLE executed at /root/llvm-project/llvm/tools/clang/lib/AST/ASTContext.cpp:7351!
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 <source>
1. <source>:5:17: current parser token ')'
2. <source>:4:1: parsing function body 'foo'
3. <source>:4:1: in compound statement ('{}')
#0 0x00000000043fa218 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x43fa218)
#1 0x00000000043f7664 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x43f7664)
#2 0x00000000043377b8 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x000071aeb8642520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x000071aeb86969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x000071aeb8642476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x000071aeb86287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x00000000043421ba (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x43421ba)
#8 0x0000000007b791de clang::ASTContext::getCanonicalTemplateName(clang::TemplateName, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7b791de)
#9 0x0000000007b79337 getCommonTemplateName(clang::ASTContext const&, clang::TemplateName, clang::TemplateName, bool) ASTContext.cpp:0:0
#10 0x0000000007b7e3c9 clang::ASTContext::getCommonSugaredType(clang::QualType, clang::QualType, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7b7e3c9)
#11 0x0000000007134a79 clang::Sema::UsualArithmeticConversions(clang::ActionResult<clang::Expr*, true>&, clang::ActionResult<clang::Expr*, true>&, clang::SourceLocation, clang::ArithConvKind) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7134a79)
#12 0x000000000713927a clang::Sema::CheckAdditionOperands(clang::ActionResult<clang::Expr*, true>&, clang::ActionResult<clang::Expr*, true>&, clang::SourceLocation, clang::BinaryOperatorKind, clang::QualType*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x713927a)
#13 0x00000000071432e5 clang::Sema::CreateBuiltinBinOp(clang::SourceLocation, clang::BinaryOperatorKind, clang::Expr*, clang::Expr*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x71432e5)
#14 0x000000000714489a clang::Sema::BuildBinOp(clang::Scope*, clang::SourceLocation, clang::BinaryOperatorKind, clang::Expr*, clang::Expr*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x714489a)
#15 0x0000000007144dd6 clang::Sema::ActOnBinOp(clang::Scope*, clang::SourceLocation, clang::tok::TokenKind, clang::Expr*, clang::Expr*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7144dd6)
#16 0x0000000006c43224 clang::Parser::ParseRHSOfBinaryExpression(clang::ActionResult<clang::Expr*, true>, clang::prec::Level) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c43224)
#17 0x0000000006c469b9 clang::Parser::ParseExpression(clang::TypoCorrectionTypeBehavior) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c469b9)
#18 0x0000000006c4a774 clang::Parser::ParseParenExpression(clang::ParenParseOption&, bool, clang::ParenExprKind, clang::TypoCorrectionTypeBehavior, clang::OpaquePtr<clang::QualType>&, clang::SourceLocation&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c4a774)
#19 0x0000000006c40e50 clang::Parser::ParseCastExpression(clang::CastParseKind, bool, bool&, clang::TypoCorrectionTypeBehavior, bool, bool*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c40e50)
#20 0x0000000006c42037 clang::Parser::ParseCastExpression(clang::CastParseKind, bool, clang::TypoCorrectionTypeBehavior, bool, bool*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c42037)
#21 0x0000000006c420c9 clang::Parser::ParseAssignmentExpression(clang::TypoCorrectionTypeBehavior) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c420c9)
#22 0x0000000006c469b9 clang::Parser::ParseExpression(clang::TypoCorrectionTypeBehavior) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c469b9)
#23 0x0000000006cccc59 clang::Parser::ParseExprStatement(clang::Parser::ParsedStmtContext) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6cccc59)
#24 0x0000000006cc40f4 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+++0x6cc40f4)
#25 0x0000000006cc4ad6 clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::LabelDecl*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6cc4ad6)
#26 0x0000000006ccd436 clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6ccd436)
#27 0x0000000006ccdc7a clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6ccdc7a)
#28 0x0000000006bd36a3 clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6bd36a3)
#29 0x0000000006c09d3d 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+++0x6c09d3d)
#30 0x0000000006bc709b clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6bc709b)
#31 0x0000000006bc789f clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6bc789f)
#32 0x0000000006bceea1 clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6bceea1)
#33 0x0000000006bcfdd5 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6bcfdd5)
#34 0x0000000006bb14ba clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6bb14ba)
#35 0x0000000004ed1ac8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4ed1ac8)
#36 0x00000000051d2175 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x51d2175)
#37 0x00000000051506ae clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x51506ae)
#38 0x00000000052cde8d clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x52cde8d)
#39 0x0000000000deea2e cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdeea2e)
#40 0x0000000000de53ba ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) driver.cpp:0:0
#41 0x0000000000de553d 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
#42 0x0000000004f454c9 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
#43 0x0000000004337bf4 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4337bf4)
#44 0x0000000004f45adf 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
#45 0x0000000004f06542 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4f06542)
#46 0x0000000004f074ee 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+++0x4f074ee)
#47 0x0000000004f0e865 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4f0e865)
#48 0x0000000000deada9 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdeada9)
#49 0x0000000000ca3aba main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xca3aba)
#50 0x000071aeb8629d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#51 0x000071aeb8629e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#52 0x0000000000de4e55 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xde4e55)
clang++: error: clang frontend command failed due to signal (use -v to see invocation)
Compiler returned: 134
```
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