[clang] Assertion `(Params || Tok.is(tok::eod)) && "expected success or to be at the end of the directive"' failed. (original) (raw)

Reproducer:
https://godbolt.org/z/K5bsxeWh8

#if __has_embed (FILE limit (-1)) #endif

Backtrace:

clang++: /root/llvm-project/llvm/tools/clang/lib/Lex/PPMacroExpansion.cpp:1265: clang::EmbedResult clang::Preprocessor::EvaluateHasEmbed(clang::Token&, clang::IdentifierInfo*): Assertion `(Params || Tok.is(tok::eod)) && "expected success or to be at the end of the directive"' 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 1. :1:2: current parser token 'if' #0 0x0000000004083a38 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4083a38) #1 0x0000000004080e64 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4080e64) #2 0x0000000003fc51e8 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0 #3 0x000070d5e7842520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520) #4 0x000070d5e78969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc) #5 0x000070d5e7842476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476) #6 0x000070d5e78287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3) #7 0x000070d5e782871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b) #8 0x000070d5e7839e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96) #9 0x0000000007f4a3d9 clang::Preprocessor::EvaluateHasEmbed(clang::Token&, clang::IdentifierInfo*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7f4a3d9) #10 0x0000000007f4f2f3 clang::Preprocessor::ExpandBuiltinMacro(clang::Token&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7f4f2f3) #11 0x0000000007f552a6 clang::Preprocessor::HandleMacroExpandedIdentifier(clang::Token&, clang::MacroDefinition const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7f552a6) #12 0x0000000007f754fa clang::Preprocessor::HandleIdentifier(clang::Token&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7f754fa) #13 0x0000000007ecdd72 clang::Lexer::LexIdentifierContinue(clang::Token&, char const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7ecdd72) #14 0x0000000007ecf40e clang::Lexer::LexTokenInternal(clang::Token&, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7ecf40e) #15 0x0000000007ed1a2e clang::Lexer::Lex(clang::Token&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7ed1a2e) #16 0x0000000007f77efc clang::Preprocessor::Lex(clang::Token&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7f77efc) #17 0x0000000007f3b48b clang::Preprocessor::EvaluateDirectiveExpression(clang::IdentifierInfo*&, clang::Token&, bool&, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7f3b48b) #18 0x0000000007f3bd2f clang::Preprocessor::EvaluateDirectiveExpression(clang::IdentifierInfo*&, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7f3bd2f) #19 0x0000000007f2d48f clang::Preprocessor::HandleIfDirective(clang::Token&, clang::Token const&, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7f2d48f) #20 0x0000000007f32c99 clang::Preprocessor::HandleDirective(clang::Token&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7f32c99) #21 0x0000000007ecf76a clang::Lexer::LexTokenInternal(clang::Token&, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7ecf76a) #22 0x0000000007ed1a2e clang::Lexer::Lex(clang::Token&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7ed1a2e) #23 0x0000000007f77efc clang::Preprocessor::Lex(clang::Token&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7f77efc) #24 0x000000000672eaf2 clang::Parser::ConsumeToken() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x672eaf2) #25 0x000000000671b588 clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x671b588) #26 0x00000000049bbfa8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49bbfa8) #27 0x0000000004cb65c5 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4cb65c5) #28 0x0000000004c31b8e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c31b8e) #29 0x0000000004dabd81 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4dabd81) #30 0x0000000000db57bf cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdb57bf) #31 0x0000000000dac46a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0 #32 0x0000000004a25019 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optionalllvm::StringRef>, std::__cxx11::basic_string<char, std::char_traits, std::allocator>, bool) const::'lambda'()>(long) Job.cpp:0:0 #33 0x0000000003fc5684 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3fc5684) #34 0x0000000004a2562f clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optionalllvm::StringRef>, std::__cxx11::basic_string<char, std::char_traits, std::allocator>, bool) const (.part.0) Job.cpp:0:0 #35 0x00000000049e619d clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49e619d) #36 0x00000000049e722e 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+++0x49e722e) #37 0x00000000049ef1c5 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49ef1c5) #38 0x0000000000db1c75 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdb1c75) #39 0x0000000000c647d4 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc647d4) #40 0x000070d5e7829d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90) #41 0x000070d5e7829e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40) #42 0x0000000000dabf15 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdabf15) clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation) Compiler returned: 134