alexfh added a comment.
In D111283#3783627 <https://reviews.llvm.org/D111283#3783627>, @alexfh wrote:
> Hi Matheus, an early heads up: this commit is causing clang crashes on some
> of our code. I'll post more details a bit later.
The stack trace of the failure looks like this:
#0 0x0000564e08f78aca llvm::sys::PrintStackTrace(llvm::raw_ostream&, int)
(./clang-after+0x7778aca)
#1 0x0000564e08f76b78 llvm::sys::RunSignalHandlers()
(./clang-after+0x7776b78)
#2 0x0000564e08f10027 (anonymous
namespace)::CrashRecoveryContextImpl::HandleCrash(int, unsigned long)
(./clang-after+0x7710027)
#3 0x0000564e08f102bd CrashRecoverySignalHandler(int)
(./clang-after+0x77102bd)
#4 0x00007f4773e731c0 __restore_rt
#5 0x0000564e06591b6b (./clang-after+0x4d91b6b)
#6 0x0000564e06374ef8 checkDeducedTemplateArguments(clang::ASTContext&,
clang::DeducedTemplateArgument const&, clang::DeducedTemplateArgument const&)
(./clang-after+0x4b74ef8)
#7 0x0000564e0636b7b1 DeduceTemplateArgumentsByTypeMatch(clang::Sema&,
clang::TemplateParameterList*, clang::QualType, clang::QualType,
clang::sema::TemplateDeductionInfo&,
llvm::SmallVectorImpl<clang::DeducedTemplateArgument>&, unsigned int, bool,
bool) (./clang-after+0x4b6b7b1)
#8 0x0000564e0636c896 DeduceTemplateArgumentsByTypeMatch(clang::Sema&,
clang::TemplateParameterList*, clang::QualType, clang::QualType,
clang::sema::TemplateDeductionInfo&,
llvm::SmallVectorImpl<clang::DeducedTemplateArgument>&, unsigned int, bool,
bool) (./clang-after+0x4b6c896)
#9 0x0000564e06376430 DeduceTemplateArguments(clang::Sema&,
clang::TemplateParameterList*, clang::QualType const*, unsigned int,
clang::QualType const*, unsigned int, clang::sema::TemplateDeductionInfo&,
llvm::SmallVectorImpl<clang::DeducedTemplateArgument>&, unsigned int, bool)
(./clang-after+0x4b76430)
#10 0x0000564e06370895 isAtLeastAsSpecializedAs(clang::Sema&,
clang::SourceLocation, clang::FunctionTemplateDecl*,
clang::FunctionTemplateDecl*, clang::TemplatePartialOrderingContext, unsigned
int, bool) (./clang-after+0x4b70895)
#11 0x0000564e063702c1
clang::Sema::getMoreSpecializedTemplate(clang::FunctionTemplateDecl*,
clang::FunctionTemplateDecl*, clang::SourceLocation,
clang::TemplatePartialOrderingContext, unsigned int, unsigned int, bool, bool)
(./clang-after+0x4b702c1)
#12 0x0000564e0626a07c clang::isBetterOverloadCandidate(clang::Sema&,
clang::OverloadCandidate const&, clang::OverloadCandidate const&,
clang::SourceLocation, clang::OverloadCandidateSet::CandidateSetKind)
(./clang-after+0x4a6a07c)
#13 0x0000564e0625e199
clang::OverloadCandidateSet::BestViableFunction(clang::Sema&,
clang::SourceLocation, clang::OverloadCandidate*&) (./clang-after+0x4a5e199)
#14 0x0000564e06272aec clang::Sema::BuildOverloadedCallExpr(clang::Scope*,
clang::Expr*, clang::UnresolvedLookupExpr*, clang::SourceLocation,
llvm::MutableArrayRef<clang::Expr*>, clang::SourceLocation, clang::Expr*, bool,
bool) (./clang-after+0x4a72aec)
#15 0x0000564e05fd3157 clang::Sema::BuildCallExpr(clang::Scope*,
clang::Expr*, clang::SourceLocation, llvm::MutableArrayRef<clang::Expr*>,
clang::SourceLocation, clang::Expr*, bool, bool) (./clang-after+0x47d3157)
#16 0x0000564e05feb5b6 clang::Sema::ActOnCallExpr(clang::Scope*,
clang::Expr*, clang::SourceLocation, llvm::MutableArrayRef<clang::Expr*>,
clang::SourceLocation, clang::Expr*) (./clang-after+0x47eb5b6)
#17 0x0000564e063d0bc6 clang::TreeTransform<(anonymous
namespace)::TemplateInstantiator>::TransformCallExpr(clang::CallExpr*)
(./clang-after+0x4bd0bc6)
#18 0x0000564e063c80f9 clang::Sema::SubstInitializer(clang::Expr*,
clang::MultiLevelTemplateArgumentList const&, bool) (./clang-after+0x4bc80f9)
#19 0x0000564e064057c8
clang::Sema::InstantiateVariableInitializer(clang::VarDecl*, clang::VarDecl*,
clang::MultiLevelTemplateArgumentList const&) (./clang-after+0x4c057c8)
#20 0x0000564e063fa1be
clang::Sema::BuildVariableInstantiation(clang::VarDecl*, clang::VarDecl*,
clang::MultiLevelTemplateArgumentList const&,
llvm::SmallVector<clang::Sema::LateInstantiatedAttribute, 16u>*,
clang::DeclContext*, clang::LocalInstantiationScope*, bool,
clang::VarTemplateSpecializationDecl*) (./clang-after+0x4bfa1be)
#21 0x0000564e063f99db
clang::TemplateDeclInstantiator::VisitVarDecl(clang::VarDecl*, bool,
llvm::ArrayRef<clang::BindingDecl*>*) (./clang-after+0x4bf99db)
#22 0x0000564e0642f599 void llvm::function_ref<void
()>::callback_fn<clang::Sema::SubstDecl(clang::Decl*, clang::DeclContext*,
clang::MultiLevelTemplateArgumentList const&)::$_0>(long)
(./clang-after+0x4c2f599)
#23 0x0000564e05cc55ee
clang::Sema::runWithSufficientStackSpace(clang::SourceLocation,
llvm::function_ref<void ()>) (./clang-after+0x44c55ee)
#24 0x0000564e06406ceb clang::Sema::SubstDecl(clang::Decl*,
clang::DeclContext*, clang::MultiLevelTemplateArgumentList const&)
(./clang-after+0x4c06ceb)
#25 0x0000564e063e91ac clang::TreeTransform<(anonymous
namespace)::TemplateInstantiator>::TransformDeclStmt(clang::DeclStmt*)
(./clang-after+0x4be91ac)
#26 0x0000564e063e08c7 clang::TreeTransform<(anonymous
namespace)::TemplateInstantiator>::TransformCompoundStmt(clang::CompoundStmt*,
bool) (./clang-after+0x4be08c7)
#27 0x0000564e063c96be clang::Sema::SubstStmt(clang::Stmt*,
clang::MultiLevelTemplateArgumentList const&) (./clang-after+0x4bc96be)
#28 0x0000564e06408b57
clang::Sema::InstantiateFunctionDefinition(clang::SourceLocation,
clang::FunctionDecl*, bool, bool, bool) (./clang-after+0x4c08b57)
#29 0x0000564e0640ad95 clang::Sema::PerformPendingInstantiations(bool)
(./clang-after+0x4c0ad95)
#30 0x0000564e06408c54
clang::Sema::InstantiateFunctionDefinition(clang::SourceLocation,
clang::FunctionDecl*, bool, bool, bool) (./clang-after+0x4c08c54)
#31 0x0000564e0640ad95 clang::Sema::PerformPendingInstantiations(bool)
(./clang-after+0x4c0ad95)
#32 0x0000564e05cc7b40
clang::Sema::ActOnEndOfTranslationUnitFragment(clang::Sema::TUFragmentKind)
(./clang-after+0x44c7b40)
#33 0x0000564e05cc8877 clang::Sema::ActOnEndOfTranslationUnit()
(./clang-after+0x44c8877)
#34 0x0000564e05a344ec
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&,
clang::Sema::ModuleImportState&) (./clang-after+0x42344ec)
#35 0x0000564e05a2effe clang::ParseAST(clang::Sema&, bool, bool)
(./clang-after+0x422effe)
#36 0x0000564e057af31a clang::FrontendAction::Execute()
(./clang-after+0x3faf31a)
#37 0x0000564e057224e6
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(./clang-after+0x3f224e6)
#38 0x0000564e049d9446
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(./clang-after+0x31d9446)
#39 0x0000564e049cdb40 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (./clang-after+0x31cdb40)
#40 0x0000564e049cbda4 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
(./clang-after+0x31cbda4)
#41 0x0000564e058afcf7 void llvm::function_ref<void
()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef>>,
std::__u::basic_string<char, std::__u::char_traits<char>,
std::__u::allocator<char>>*, bool*) const::$_1>(long) (./clang-after+0x40afcf7)
#42 0x0000564e08f0fef1
llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>)
(./clang-after+0x770fef1)
#43 0x0000564e058af64c
clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef>>,
std::__u::basic_string<char, std::__u::char_traits<char>,
std::__u::allocator<char>>*, bool*) const (./clang-after+0x40af64c)
#44 0x0000564e05874f77
clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&,
clang::driver::Command const*&, bool) const (./clang-after+0x4074f77)
#45 0x0000564e05875230
clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&,
llvm::SmallVectorImpl<std::__u::pair<int, clang::driver::Command const*>>&,
bool) const (./clang-after+0x4075230)
#46 0x0000564e058911af
clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&,
llvm::SmallVectorImpl<std::__u::pair<int, clang::driver::Command const*>>&)
(./clang-after+0x40911af)
#47 0x0000564e049cb50b clang_main(int, char**) (./clang-after+0x31cb50b)
#48 0x00007f4773d04633 __libc_start_main
#49 0x0000564e049c846a _start (./clang-after+0x31c846a)
clang-after: error: clang frontend command failed with exit code 133 (use -v
to see invocation)
clang version google3-trunk (1819d5999c7091781a6441dad4bcede9c554ca90)
Target: x86_64-unknown-linux-gnu
I'm reducing the test case.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D111283/new/
https://reviews.llvm.org/D111283
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