| Issue |
181470
|
| Summary |
[clang] Assertion `!Qualifier' still fails
|
| Labels |
clang:frontend,
crash-on-invalid
|
| Assignees |
|
| Reporter |
k-arrows
|
Related to: https://github.com/llvm/llvm-project/issues/167120
Reproducer: https://github.com/k-arrows/clang-assert-tests/blob/main/cases/00120.cpp
https://godbolt.org/z/395xvbava
```cpp
#include <foo>
namespace N {}
bar;
template <class T> N::T::bar;
```
Backtrace:
```console
clang++: /root/llvm-project/llvm/tools/clang/lib/AST/ASTContext.cpp:5174: clang::QualType clang::ASTContext::getTypeDeclType(clang::ElaboratedTypeKeyword, clang::NestedNameSpecifier, const clang::TypeDecl*) const: Assertion `!Qualifier' 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 <source>
1. <source>:6:26: current parser token 'bar'
#0 0x00000000043cc858 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x43cc858)
#1 0x00000000043c9cb4 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x43c9cb4)
#2 0x0000000004309f38 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x00007438bf642520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00007438bf6969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x00007438bf642476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x00007438bf6287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x00007438bf62871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
#8 0x00007438bf639e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#9 0x0000000007af11ed clang::ASTContext::getTypeDeclType(clang::ElaboratedTypeKeyword, clang::NestedNameSpecifier, clang::TypeDecl const*) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7af11ed)
#10 0x0000000006d87300 ExtendNestedNameSpecifier(clang::Sema&, clang::CXXScopeSpec&, clang::NamedDecl const*, clang::SourceLocation, clang::SourceLocation) (.isra.0) SemaCXXScopeSpec.cpp:0:0
#11 0x0000000006d90207 clang::Sema::BuildCXXNestedNameSpecifier(clang::Scope*, clang::Sema::NestedNameSpecInfo&, bool, clang::CXXScopeSpec&, clang::NamedDecl*, bool, bool*, bool) (.part.0) SemaCXXScopeSpec.cpp:0:0
#12 0x0000000006d91ab3 clang::Sema::ActOnCXXNestedNameSpecifier(clang::Scope*, clang::Sema::NestedNameSpecInfo&, bool, clang::CXXScopeSpec&, bool*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6d91ab3)
#13 0x0000000006c121ef clang::Parser::ParseOptionalCXXScopeSpecifier(clang::CXXScopeSpec&, clang::OpaquePtr<clang::QualType>, bool, bool, bool*, bool, clang::IdentifierInfo const**, bool, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c121ef)
#14 0x0000000006b7e93c clang::Parser::TryAnnotateCXXScopeToken(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b7e93c)
#15 0x0000000006bc581f clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&, clang::Parser::ParsedTemplateInfo&, clang::AccessSpecifier, clang::Parser::DeclSpecContext, clang::Parser::LateParsedAttrList*, clang::ImplicitTypenameContext) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6bc581f)
#16 0x0000000006c917c1 clang::Parser::ParseDeclarationAfterTemplate(clang::DeclaratorContext, clang::Parser::ParsedTemplateInfo&, clang::ParsingDeclRAIIObject&, clang::SourceLocation&, clang::ParsedAttributes&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c917c1)
#17 0x0000000006c9ed19 clang::Parser::ParseTemplateDeclarationOrSpecialization(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&, clang::AccessSpecifier) (.part.0) ParseTemplate.cpp:0:0
#18 0x0000000006c9f12a clang::Parser::ParseDeclarationStartingWithTemplate(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c9f12a)
#19 0x0000000006bca600 clang::Parser::ParseDeclaration(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&, clang::ParsedAttributes&, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6bca600)
#20 0x0000000006b86fe6 clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b86fe6)
#21 0x0000000006b87ef5 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b87ef5)
#22 0x0000000006b695ca clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b695ca)
#23 0x0000000004d43068 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4d43068)
#24 0x00000000050408c5 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x50408c5)
#25 0x0000000004fbfd5e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4fbfd5e)
#26 0x000000000513bfcd clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x513bfcd)
#27 0x0000000000de90ae cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xde90ae)
#28 0x0000000000ddfa7a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) driver.cpp:0:0
#29 0x0000000000ddfbfd 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
#30 0x0000000004db6b39 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
#31 0x000000000430a3d4 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x430a3d4)
#32 0x0000000004db714f 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
#33 0x0000000004d77ad2 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4d77ad2)
#34 0x0000000004d78a7e 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+++0x4d78a7e)
#35 0x0000000004d7fd35 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4d7fd35)
#36 0x0000000000de5421 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xde5421)
#37 0x0000000000c9f384 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc9f384)
#38 0x00007438bf629d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#39 0x00007438bf629e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#40 0x0000000000ddf515 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xddf515)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134
```
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