inline namespace in global scope causes crash #509
Description
The following input source
inline namespace ns {
using T = void;
}compiles but causes cppinsights to crash. The following stack trace is generated:
#0 0x00007fd6f8cf7d01 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/lib/llvm-14/lib/libLLVM-14.so.1+0xe3fd01)
#1 0x00007fd6f8cf5a0c llvm::sys::RunSignalHandlers() (/usr/lib/llvm-14/lib/libLLVM-14.so.1+0xe3da0c)
#2 0x00007fd6f8cf8236 (/usr/lib/llvm-14/lib/libLLVM-14.so.1+0xe40236)
#3 0x00007fd6f7a80520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x0000559e2158c716 clang::DeclContext::getDeclKind() const /usr/lib/llvm-14/include/clang/AST/DeclBase.h:1862:52
#5 0x0000559e216dde9c clang::DeclContext::isTranslationUnit() const /usr/lib/llvm-14/include/clang/AST/DeclBase.h:1944:35
#6 0x0000559e216da223 clang::insights::details::GetScope(clang::DeclContext const*, clang::insights::details::RemoveCurrentScope) .../cppinsights/InsightsHelpers.cpp:465:35
#7 0x0000559e216da6d0 clang::insights::GetName[abi:cxx11](clang::NamedDecl const&, clang::insights::QualifiedName) .../cppinsights/InsightsHelpers.cpp:959:87
#8 0x0000559e21579074 clang::insights::CodeGenerator::InsertArg(clang::TypeAliasDecl const*) .../cppinsights/CodeGenerator.cpp:2399:31
#9 0x0000559e2157f610 clang::insights::CodeGenerator::InsertArg(clang::Decl const*) .../cppinsights/CodeGeneratorTypes.h:26:1
#10 0x0000559e2157afbf clang::insights::CodeGenerator::InsertArg(clang::NamespaceDecl const*) .../cppinsights/CodeGenerator.cpp:2779:40
#11 0x0000559e2157f9bc clang::insights::CodeGenerator::InsertArg(clang::Decl const*) .../cppinsights/CodeGeneratorTypes.h:44:1
#12 0x0000559e216e7537 clang::insights::RecordDeclHandler::run(clang::ast_matchers::MatchFinder::MatchResult const&) .../cppinsights/RecordDeclHandler.cpp:76:9
#13 0x0000559e2174c1f7 clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::MatchVisitor::visitMatch(clang::ast_matchers::BoundNodes const&) ASTMatchFinder.cpp.o:0:0
#14 0x0000559e2177dcac clang::ast_matchers::internal::BoundNodesTreeBuilder::visitMatches(clang::ast_matchers::internal::BoundNodesTreeBuilder::Visitor*) (.../insights+0x6e1cac)
#15 0x0000559e2174bc77 clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::matchWithFilter(clang::DynTypedNode const&) ASTMatchFinder.cpp.o:0:0
#16 0x0000559e2174de2f clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::TraverseDecl(clang::Decl*) ASTMatchFinder.cpp.o:0:0
#17 0x0000559e217562bb clang::RecursiveASTVisitor<clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor>::TraverseTranslationUnitDecl(clang::TranslationUnitDecl*) ASTMatchFinder.cpp.o:0:0
#18 0x0000559e2174e1bf clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::TraverseDecl(clang::Decl*) ASTMatchFinder.cpp.o:0:0
#19 0x0000559e2171f687 clang::ast_matchers::MatchFinder::matchAST(clang::ASTContext&) (.../insights+0x683687)
#20 0x0000559e216cf1f2 CppInsightASTConsumer::HandleTranslationUnit(clang::ASTContext&) .../cppinsights/Insights.cpp:114:48
#21 0x0000559e21bc6004 clang::ParseAST(clang::Sema&, bool, bool) (.../insights+0xb2a004)
#22 0x0000559e2182fff7 clang::FrontendAction::Execute() (.../insights+0x793ff7)
#23 0x0000559e217a5356 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (.../insights+0x709356)
#24 0x0000559e217102a3 clang::tooling::FrontendActionFactory::runInvocation(std::shared_ptr<clang::CompilerInvocation>, clang::FileManager*, std::shared_ptr<clang::PCHContainerOperations>, clang::DiagnosticConsumer*) (.../insights+0x6742a3)
#25 0x0000559e2170fff5 clang::tooling::ToolInvocation::runInvocation(char const*, clang::driver::Compilation*, std::shared_ptr<clang::CompilerInvocation>, std::shared_ptr<clang::PCHContainerOperations>) (.../insights+0x673ff5)
#26 0x0000559e2170eee3 clang::tooling::ToolInvocation::run() (.../insights+0x672ee3)
#27 0x0000559e21711b8e clang::tooling::ClangTool::run(clang::tooling::ToolAction*) (.../insights+0x675b8e)
#28 0x0000559e216cc463 main .../cppinsights/Insights.cpp:255:20
#29 0x00007fd6f7a67d90 __libc_start_call_main ./csu/../sysdeps/nptl/libc_start_call_main.h:58:16
#30 0x00007fd6f7a67e40 call_init ./csu/../csu/libc-start.c:128:20
#31 0x00007fd6f7a67e40 __libc_start_main ./csu/../csu/libc-start.c:379:5
#32 0x0000559e2156e555 _start (.../insights+0x4d2555)
Segmentation fault (core dumped)