yronglin added a comment.
Oops, compiler explorer website seems crashed, Once it's recovery, I'll append
a link.
<source>:2:13: error: use of undeclared identifier 'f'
2 | switch (f) {
| ^
clang++: /root/llvm-project/llvm/lib/Support/APInt.cpp:282: int
llvm::APInt::compareSigned(const llvm::APInt&) const: Assertion `BitWidth ==
RHS.BitWidth && "Bit widths must be same for comparison"' 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++ -gdwarf-4 -g -o
/app/output.s -mllvm --x86-asm-syntax=intel -S
--gcc-toolchain=/opt/compiler-explorer/gcc-snapshot -fcolor-diagnostics
-fno-crash-diagnostics -std=c++20 <source>
1. <source>:11:1: current parser token 'static_assert'
2. <source>:1:36: parsing function body 'foo'
#0 0x000055cfeaf267ff llvm::sys::PrintStackTrace(llvm::raw_ostream&, int)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3c3a7ff)
#1 0x000055cfeaf2456c llvm::sys::CleanupOnSignal(unsigned long)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3c3856c)
#2 0x000055cfeae6e528 CrashRecoverySignalHandler(int)
CrashRecoveryContext.cpp:0:0
#3 0x00007f6bd7059420 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x14420)
#4 0x00007f6bd6b2600b raise (/lib/x86_64-linux-gnu/libc.so.6+0x4300b)
#5 0x00007f6bd6b05859 abort (/lib/x86_64-linux-gnu/libc.so.6+0x22859)
#6 0x00007f6bd6b05729 (/lib/x86_64-linux-gnu/libc.so.6+0x22729)
#7 0x00007f6bd6b16fd6 (/lib/x86_64-linux-gnu/libc.so.6+0x33fd6)
#8 0x000055cfeae461cd llvm::APInt::compareSigned(llvm::APInt const&) const
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3b5a1cd)
#9 0x000055cfee84a705 EvaluateStmt((anonymous namespace)::StmtResult&,
(anonymous namespace)::EvalInfo&, clang::Stmt const*, clang::SwitchCase const*)
(.part.0) ExprConstant.cpp:0:0
#10 0x000055cfee84a25f EvaluateStmt((anonymous namespace)::StmtResult&,
(anonymous namespace)::EvalInfo&, clang::Stmt const*, clang::SwitchCase const*)
(.part.0) ExprConstant.cpp:0:0
#11 0x000055cfee84e961 HandleFunctionCall(clang::SourceLocation,
clang::FunctionDecl const*, (anonymous namespace)::LValue const*,
llvm::ArrayRef<clang::Expr const*>, (anonymous namespace)::CallRef, clang::Stmt
const*, (anonymous namespace)::EvalInfo&, clang::APValue&, (anonymous
namespace)::LValue const*) ExprConstant.cpp:0:0
#12 0x000055cfee8918d8
clang::Expr::isPotentialConstantExpr(clang::FunctionDecl const*,
llvm::SmallVectorImpl<std::pair<clang::SourceLocation,
clang::PartialDiagnostic>>&)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x75a58d8)
#13 0x000055cfedaae4de
clang::Sema::CheckConstexprFunctionDefinition(clang::FunctionDecl const*,
clang::Sema::CheckConstexprKind)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x67c24de)
#14 0x000055cfeda05350 clang::Sema::ActOnFinishFunctionBody(clang::Decl*,
clang::Stmt*, bool)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6719350)
#15 0x000055cfed77b2dd
clang::Parser::ParseFunctionStatementBody(clang::Decl*,
clang::Parser::ParseScope&)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x648f2dd)
#16 0x000055cfed6a5dc1
clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x63b9dc1)
#17 0x000055cfed6cccd0 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&,
clang::DeclaratorContext, clang::ParsedAttributes&, clang::SourceLocation*,
clang::Parser::ForRangeInit*)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x63e0cd0)
#18 0x000055cfed699661
clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&,
clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x63ad661)
#19 0x000055cfed699f1f
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&,
clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier)
(.part.0) Parser.cpp:0:0
#20 0x000055cfed6a08c1
clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&,
clang::ParsedAttributes&, clang::ParsingDeclSpec*)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x63b48c1)
#21 0x000055cfed6a1236
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&,
clang::Sema::ModuleImportState&)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x63b5236)
#22 0x000055cfed6a16d4
clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&,
clang::Sema::ModuleImportState&)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x63b56d4)
#23 0x000055cfed694fca clang::ParseAST(clang::Sema&, bool, bool)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x63a8fca)
#24 0x000055cfec1997d8 clang::CodeGenAction::ExecuteAction()
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4ead7d8)
#25 0x000055cfeb9e6a49 clang::FrontendAction::Execute()
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x46faa49)
#26 0x000055cfeb96b996
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x467f996)
#27 0x000055cfebacac96
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x47dec96)
#28 0x000055cfe83d4fed cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x10e8fed)
#29 0x000055cfe83d0cea ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&,
llvm::ToolContext const&) driver.cpp:0:0
#30 0x000055cfeb7ccd5d 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
#31 0x000055cfeae6ea30
llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3b82a30)
#32 0x000055cfeb7cd37f
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
#33 0x000055cfeb79472c
clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&,
clang::driver::Command const*&, bool) const
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x44a872c)
#34 0x000055cfeb7951bd
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+++0x44a91bd)
#35 0x000055cfeb79d29d
clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&,
llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x44b129d)
#36 0x000055cfe83d324a clang_main(int, char**, llvm::ToolContext const&)
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x10e724a)
#37 0x000055cfe82d95c5 main
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xfed5c5)
#38 0x00007f6bd6b07083 __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x24083)
#39 0x000055cfe83cbace _start
(/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x10dface)
clang++: error: clang frontend command failed with exit code 134 (use -v to
see invocation)
Compiler returned: 134
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D153296/new/
https://reviews.llvm.org/D153296
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