| Issue |
184077
|
| Summary |
[Clang] assertion failure in name lookup when parsing enum after inline namespace
|
| Labels |
clang
|
| Assignees |
|
| Reporter |
YuchangSu
|
Code:
```CPP
inline namespace a {
namespace a {}
} enum a
```
See Compiler Explorer: [https://godbolt.org/z/6qcadhr78](https://godbolt.org/z/6qcadhr78)
Backtrace:
```
#0 0x000000000440a158 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x440a158)
#1 0x00000000044075a4 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x44075a4)
#2 0x00000000043473a8 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x00007d0a8e842520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00007d0a8e8969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x00007d0a8e842476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x00007d0a8e8287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x00007d0a8e82871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
#8 0x00007d0a8e839e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#9 0x0000000006e1e7aa (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6e1e7aa)
#10 0x0000000006fb7118 clang::Sema::ActOnTag(clang::Scope*, unsigned int, clang::TagUseKind, clang::SourceLocation, clang::CXXScopeSpec&, clang::IdentifierInfo*, clang::SourceLocation, clang::ParsedAttributesView const&, clang::AccessSpecifier, clang::SourceLocation, llvm::MutableArrayRef<clang::TemplateParameterList*>, bool&, bool&, clang::SourceLocation, bool, clang::ActionResult<clang::OpaquePtr<clang::QualType>, false>, bool, bool, clang::OffsetOfKind, clang::SkipBodyInfo*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6fb7118)
#11 0x0000000006c2de38 clang::Parser::ParseEnumSpecifier(clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier, clang::Parser::DeclSpecContext) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c2de38)
#12 0x0000000006c2a065 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+++0x6c2a065)
#13 0x0000000006be51a7 clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6be51a7)
#14 0x0000000006be5c2f clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6be5c2f)
#15 0x0000000006bed231 clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6bed231)
#16 0x0000000006bee165 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6bee165)
#17 0x0000000006bcf84a clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6bcf84a)
#18 0x0000000004ee3c28 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4ee3c28)
#19 0x00000000051ea5c5 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x51ea5c5)
#20 0x000000000516881e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x516881e)
#21 0x00000000052e627d clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x52e627d)
#22 0x0000000000df0dce cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdf0dce)
#23 0x0000000000de773a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) driver.cpp:0:0
#24 0x0000000000de78bd 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
#25 0x0000000004f58389 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
#26 0x00000000043477e4 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x43477e4)
#27 0x0000000004f5899f 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
#28 0x0000000004f18682 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4f18682)
#29 0x0000000004f1962e 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+++0x4f1962e)
#30 0x0000000004f21375 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4f21375)
#31 0x0000000000ded13e clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xded13e)
#32 0x0000000000ca4fca main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xca4fca)
#33 0x00007d0a8e829d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#34 0x00007d0a8e829e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#35 0x0000000000de71d5 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xde71d5)
```
The test case was generated by a fuzzer.
![]()
_______________________________________________
llvm-bugs mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
