sberg added a comment.
Bisecting shows that this started to break
$ cat test.cc
void f() noexcept { __try {} __finally {} }
$ clang-cl -EHs -c test.cc
clang-cl: ~/github.com/llvm/llvm-project/clang/lib/CodeGen/CGCleanup.h:568:
void clang::CodeGen::EHScopeStack::popTerminate(): Assertion `!empty() &&
"popping exception stack when not empty"' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash
backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: ~/llvm/inst/bin/clang-cl -EHs -c test.cc
1. <eof> parser at end of file
2. test.cc:1:6: LLVM IR generation of declaration 'f'
3. test.cc:1:6: Generating code for declaration 'f'
#0 0x00007f2fd211624d llvm::sys::PrintStackTrace(llvm::raw_ostream&, int)
~/github.com/llvm/llvm-project/llvm/lib/Support/Unix/Signals.inc:569:3
#1 0x00007f2fd2114174 llvm::sys::RunSignalHandlers()
~/github.com/llvm/llvm-project/llvm/lib/Support/Signals.cpp:71:20
#2 0x00007f2fd20368c8 HandleCrash
~/github.com/llvm/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:75:5
#3 0x00007f2fd20368c8 CrashRecoverySignalHandler(int)
~/github.com/llvm/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:388:62
#4 0x00007f2fd68f91e0 __restore_rt sigaction.c:0:0
#5 0x00007f2fd1a4b9d5 raise
/usr/src/debug/glibc-2.32-37-g760e1d2878/signal/../sysdeps/unix/sysv/linux/raise.c:50:1
#6 0x00007f2fd1a348a4 abort
/usr/src/debug/glibc-2.32-37-g760e1d2878/stdlib/abort.c:81:7
#7 0x00007f2fd1a34789 get_sysdep_segment_value
/usr/src/debug/glibc-2.32-37-g760e1d2878/intl/loadmsgcat.c:509:8
#8 0x00007f2fd1a34789 _nl_load_domain.cold
/usr/src/debug/glibc-2.32-37-g760e1d2878/intl/loadmsgcat.c:970:34
#9 0x00007f2fd1a44026 .annobin___GI___assert_fail.end assert.c:0:0
#10 0x00007f2fd5871973
(~/llvm/inst/bin/../lib/libclangCodeGen.so.13git+0x44b973)
#11 0x00007f2fd587612a
(~/llvm/inst/bin/../lib/libclangCodeGen.so.13git+0x45012a)
#12 0x00007f2fd5a85bbc
clang::CodeGen::CodeGenFunction::FinishFunction(clang::SourceLocation)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CodeGenFunction.cpp:405:3
#13 0x00007f2fd587f703
clang::CodeGen::CodeGenFunction::GenerateSEHFinallyFunction(clang::CodeGen::CodeGenFunction&,
clang::SEHFinallyStmt const&)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CGException.cpp:2005:10
#14 0x00007f2fd587f776 pushCleanup<(anonymous namespace)::PerformSEHFinally,
llvm::Function*>
~/github.com/llvm/llvm-project/clang/lib/CodeGen/EHScopeStack.h:273:31
#15 0x00007f2fd587f776
clang::CodeGen::CodeGenFunction::EnterSEHTryStmt(clang::SEHTryStmt const&)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CGException.cpp:2082:43
#16 0x00007f2fd587fa87
clang::CodeGen::CodeGenFunction::getJumpDestInCurrentScope(llvm::StringRef)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CodeGenFunction.h:1096:59
#17 0x00007f2fd587fa87
clang::CodeGen::CodeGenFunction::EmitSEHTryStmt(clang::SEHTryStmt const&)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CGException.cpp:1605:65
#18 0x00007f2fd5a21de4
clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt
const&, bool, clang::CodeGen::AggValueSlot)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CGStmt.cpp:447:31
#19 0x00007f2fd5a8499b
clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CodeGenFunction.cpp:1185:36
#20 0x00007f2fd5a9214a clang::CodeGen::CodeGenModule::getLangOpts() const
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CodeGenModule.h:686:51
#21 0x00007f2fd5a9214a clang::CodeGen::CodeGenFunction::getLangOpts() const
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CodeGenFunction.h:1921:67
#22 0x00007f2fd5a9214a
clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl,
llvm::Function*, clang::CodeGen::CGFunctionInfo const&)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CodeGenFunction.cpp:1352:19
#23 0x00007f2fd5ad447c
clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl,
llvm::GlobalValue*)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp:4791:3
#24 0x00007f2fd5ad0f7b
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl,
llvm::GlobalValue*)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp:3177:47
#25 0x00007f2fd5ad8c8a
clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (.part.0)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp:5895:1
#26 0x00007f2fd5b4e9a1 (anonymous
namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/ModuleBuilder.cpp:169:67
#27 0x00007f2fd5a70b13
clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef)
~/github.com/llvm/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp:217:7
#28 0x00007f2fcfbbd814 clang::ParseAST(clang::Sema&, bool, bool)
~/github.com/llvm/llvm-project/clang/lib/Parse/ParseAST.cpp:162:17
#29 0x00007f2fd3e3f4b9 clang::FrontendAction::Execute()
~/github.com/llvm/llvm-project/clang/lib/Frontend/FrontendAction.cpp:949:21
#30 0x00007f2fd3dd4cd6 llvm::Error::setChecked(bool)
~/github.com/llvm/llvm-project/llvm/include/llvm/Support/Error.h:305:22
#31 0x00007f2fd3dd4cd6 llvm::Error::operator bool()
~/github.com/llvm/llvm-project/llvm/include/llvm/Support/Error.h:236:15
#32 0x00007f2fd3dd4cd6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
~/github.com/llvm/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:955:42
#33 0x00007f2fd68e1a5b
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
~/github.com/llvm/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:279:32
#34 0x0000000000219694 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) ~/github.com/llvm/llvm-project/clang/tools/driver/cc1_main.cpp:246:40
#35 0x0000000000212ced ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
~/github.com/llvm/llvm-project/clang/tools/driver/driver.cpp:335:20
#36 0x00007f2fd3b56c85 operator()
~/github.com/llvm/llvm-project/clang/lib/Driver/Job.cpp:404:32
#37 0x00007f2fd3b56c85 void llvm::function_ref<void
()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef>
>, std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> >*, bool*) const::'lambda'()>(long)
~/github.com/llvm/llvm-project/llvm/include/llvm/ADT/STLExtras.h:185:52
#38 0x00007f2fd2036a34
llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>)
~/github.com/llvm/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:425:10
#39 0x00007f2fd3b578eb
clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef>
>, std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> >*, bool*) const (.part.0)
~/github.com/llvm/llvm-project/clang/lib/Driver/Job.cpp:408:10
#40 0x00007f2fd3b28552
clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&,
clang::driver::Command const*&) const
~/github.com/llvm/llvm-project/clang/lib/Driver/Compilation.cpp:196:3
#41 0x00007f2fd3b28c31
clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&,
llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) const
~/github.com/llvm/llvm-project/clang/lib/Driver/Compilation.cpp:248:5
#42 0x00007f2fd3b34d71 llvm::SmallVectorBase<unsigned int>::empty() const
~/github.com/llvm/llvm-project/llvm/include/llvm/ADT/SmallVector.h:73:47
#43 0x00007f2fd3b34d71
clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&,
llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&)
~/github.com/llvm/llvm-project/clang/lib/Driver/Driver.cpp:1539:28
#44 0x000000000021640a main
~/github.com/llvm/llvm-project/clang/tools/driver/driver.cpp:510:5
#45 0x00007f2fd1a361e2 __libc_start_main
/usr/src/debug/glibc-2.32-37-g760e1d2878/csu/../csu/libc-start.c:314:16
#46 0x00000000002120ee _start (~/llvm/inst/bin/clang-cl+0x2120ee)
clang-12: error: clang frontend command failed with exit code 134 (use -v to
see invocation)
clang version 13.0.0 (g...@github.com:llvm/llvm-project
2224221fb3fa9738bd84221ed048247089187fce)
Target: x86_64-pc-windows-msvc
Thread model: posix
InstalledDir: ~/llvm/inst/bin
(It still works fine if you change the function's exception specification from
`nothrow` to `throw()`.)
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D97687/new/
https://reviews.llvm.org/D97687
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