| Issue |
208715
|
| Summary |
[clang] Assertion `LateParsedInstantiations.empty() && "end of TU template instantiation should not create more " "late-parsed templates"' failed.
|
| Labels |
clang:frontend,
crash-on-invalid,
generated by fuzzer
|
| Assignees |
|
| Reporter |
k-arrows
|
Reproducer:
https://godbolt.org/z/vYoahM63q
```cpp
export __preprocessed_module Private;
template <typename T> void foo(T t) {}
void bar() { foo<int>(42); }
__preprocessed_module : private;
```
Backtrace:
```console
clang++: /root/llvm-project/llvm/tools/clang/lib/Sema/Sema.cpp:1269: void clang::Sema::ActOnEndOfTranslationUnitFragment(clang::TUFragmentKind): Assertion `LateParsedInstantiations.empty() && "end of TU template instantiation should not create more " "late-parsed templates"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and dumped files.
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 -std=c++20 -fdelayed-template-parsing <source>
1. <eof> parser at end of file
#0 0x00000000043a5108 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x43a5108)
#1 0x00000000043a1fc4 llvm::sys::RunSignalHandlers() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x43a1fc4)
#2 0x00000000043a25ec llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x43a25ec)
#3 0x00000000042e1638 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#4 0x00007753d2645330 (/lib/x86_64-linux-gnu/libc.so.6+0x45330)
#5 0x00007753d269eb2c pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x9eb2c)
#6 0x00007753d264527e raise (/lib/x86_64-linux-gnu/libc.so.6+0x4527e)
#7 0x00007753d26288ff abort (/lib/x86_64-linux-gnu/libc.so.6+0x288ff)
#8 0x00007753d262881b (/lib/x86_64-linux-gnu/libc.so.6+0x2881b)
#9 0x00007753d263b517 (/lib/x86_64-linux-gnu/libc.so.6+0x3b517)
#10 0x0000000006e2f525 (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6e2f525)
#11 0x00000000073d4b29 clang::Sema::ActOnPrivateModuleFragmentDecl(clang::SourceLocation, clang::SourceLocation) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x73d4b29)
#12 0x0000000006c8ca6b clang::Parser::ParseModuleDecl(clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c8ca6b)
#13 0x0000000006c944b6 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c944b6)
#14 0x0000000006c7117a clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6c7117a)
#15 0x0000000004e9baa8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4e9baa8)
#16 0x00000000051c6a68 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x51c6a68)
#17 0x000000000515492d clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x515492d)
#18 0x000000000529ebdd clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x529ebdd)
#19 0x0000000000db254c cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdb254c)
#20 0x0000000000da915a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) driver.cpp:0:0
#21 0x0000000000da92dd 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
#22 0x0000000004f0f379 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
#23 0x00000000042e1a74 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x42e1a74)
#24 0x0000000004f0fea5 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
#25 0x0000000004ecaf92 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4ecaf92)
#26 0x0000000004ecbfae 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+++0x4ecbfae)
#27 0x0000000004ed80e5 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4ed80e5)
#28 0x0000000000daea3a clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdaea3a)
#29 0x0000000000ccafea main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xccafea)
#30 0x00007753d262a1ca (/lib/x86_64-linux-gnu/libc.so.6+0x2a1ca)
#31 0x00007753d262a28b __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a28b)
#32 0x0000000000da8b05 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xda8b05)
clang++: error: clang frontend command failed due to signal (use -v to see invocation)
Compiler returned: 134
```
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