Closed
Description
The first testcase:
https://godbolt.org/z/o1e57zP3z
type t
end type
!$omp single copyprivate(t)
!$omp end single
endBacktrace:
flang-21: warning: OpenMP support in flang is still experimental [-Wexperimental-option]
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0. Program arguments: /opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang -fc1 -triple x86_64-unknown-linux-gnu -S -mrelocation-model pic -pic-level 2 -pic-is-pie -target-cpu x86-64 -mllvm -x86-asm-syntax=intel -fopenmp -resource-dir /opt/compiler-explorer/clang-llvmflang-trunk-20250526/lib/clang/21 -mframe-pointer=all -o /app/output.s -x f95 /app/example.f90
#0 0x0000000003e834f8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang+0x3e834f8)
#1 0x0000000003e810b4 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#2 0x00007c4ba4042520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#3 0x00000000047d5ce0 std::_Function_handler<void (tomp::clause::CopyprivateT<Fortran::evaluate::DynamicType, Fortran::lower::omp::IdTyTemplate<Fortran::evaluate::Expr<Fortran::evaluate::SomeType>>, Fortran::evaluate::Expr<Fortran::evaluate::SomeType>> const&, Fortran::parser::CharBlock const&), Fortran::lower::omp::ClauseProcessor::processCopyprivate(mlir::Location, mlir::omp::CopyprivateClauseOps&) const::'lambda0'(tomp::clause::CopyprivateT<Fortran::evaluate::DynamicType, Fortran::lower::omp::IdTyTemplate<Fortran::evaluate::Expr<Fortran::evaluate::SomeType>>, Fortran::evaluate::Expr<Fortran::evaluate::SomeType>> const&, Fortran::parser::CharBlock const&)>::_M_invoke(std::_Any_data const&, tomp::clause::CopyprivateT<Fortran::evaluate::DynamicType, Fortran::lower::omp::IdTyTemplate<Fortran::evaluate::Expr<Fortran::evaluate::SomeType>>, Fortran::evaluate::Expr<Fortran::evaluate::SomeType>> const&, Fortran::parser::CharBlock const&) ClauseProcessor.cpp:0:0
#4 0x00000000047d2364 bool Fortran::lower::omp::ClauseProcessor::findRepeatableClause<tomp::clause::CopyprivateT<Fortran::evaluate::DynamicType, Fortran::lower::omp::IdTyTemplate<Fortran::evaluate::Expr<Fortran::evaluate::SomeType>>, Fortran::evaluate::Expr<Fortran::evaluate::SomeType>>>(std::function<void (tomp::clause::CopyprivateT<Fortran::evaluate::DynamicType, Fortran::lower::omp::IdTyTemplate<Fortran::evaluate::Expr<Fortran::evaluate::SomeType>>, Fortran::evaluate::Expr<Fortran::evaluate::SomeType>> const&, Fortran::parser::CharBlock const&)>) const (/opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang+0x47d2364)
#5 0x00000000047d23c8 Fortran::lower::omp::ClauseProcessor::processCopyprivate(mlir::Location, mlir::omp::CopyprivateClauseOps&) const (/opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang+0x47d23c8)
#6 0x000000000469d52d genSingleOp(Fortran::lower::AbstractConverter&, Fortran::lower::SymMap&, Fortran::semantics::SemanticsContext&, Fortran::lower::pft::Evaluation&, mlir::Location, llvm::SmallVector<tomp::DirectiveWithClauses<Fortran::lower::omp::Clause>, 0u> const&, tomp::DirectiveWithClauses<Fortran::lower::omp::Clause> const*) OpenMP.cpp:0:0
#7 0x00000000046a06b0 genOMPDispatch(Fortran::lower::AbstractConverter&, Fortran::lower::SymMap&, Fortran::semantics::SemanticsContext&, Fortran::lower::pft::Evaluation&, mlir::Location, llvm::SmallVector<tomp::DirectiveWithClauses<Fortran::lower::omp::Clause>, 0u> const&, tomp::DirectiveWithClauses<Fortran::lower::omp::Clause> const*) OpenMP.cpp:0:0
#8 0x00000000046cc7d2 Fortran::lower::genOpenMPConstruct(Fortran::lower::AbstractConverter&, Fortran::lower::SymMap&, Fortran::semantics::SemanticsContext&, Fortran::lower::pft::Evaluation&, Fortran::parser::OpenMPConstruct const&) (/opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang+0x46cc7d2)
#9 0x000000000430d880 void Fortran::common::log2visit::Log2VisitHelper<47ul, 93ul, void, Fortran::common::visitors<auto Fortran::lower::pft::ReferenceVariantBase<true, Fortran::parser::AllocateStmt, Fortran::parser::AssignmentStmt, Fortran::parser::BackspaceStmt, Fortran::parser::CallStmt, Fortran::parser::CloseStmt, Fortran::parser::ContinueStmt, Fortran::parser::CycleStmt, Fortran::parser::DeallocateStmt, Fortran::parser::EndfileStmt, Fortran::parser::EventPostStmt, Fortran::parser::EventWaitStmt, Fortran::parser::ExitStmt, Fortran::parser::FailImageStmt, Fortran::parser::FlushStmt, Fortran::parser::FormTeamStmt, Fortran::parser::GotoStmt, Fortran::parser::IfStmt, Fortran::parser::InquireStmt, Fortran::parser::LockStmt, Fortran::parser::NotifyWaitStmt, Fortran::parser::NullifyStmt, Fortran::parser::OpenStmt, Fortran::parser::PointerAssignmentStmt, Fortran::parser::PrintStmt, Fortran::parser::ReadStmt, Fortran::parser::ReturnStmt, Fortran::parser::RewindStmt, Fortran::parser::StopStmt, Fortran::parser::SyncAllStmt, Fortran::parser::SyncImagesStmt, Fortran::parser::SyncMemoryStmt, Fortran::parser::SyncTeamStmt, Fortran::parser::UnlockStmt, Fortran::parser::WaitStmt, Fortran::parser::WhereStmt, Fortran::parser::WriteStmt, Fortran::parser::ComputedGotoStmt, Fortran::parser::ForallStmt, Fortran::parser::ArithmeticIfStmt, Fortran::parser::AssignStmt, Fortran::parser::AssignedGotoStmt, Fortran::parser::PauseStmt, Fortran::parser::EntryStmt, Fortran::parser::FormatStmt, Fortran::parser::AssociateStmt, Fortran::parser::EndAssociateStmt, Fortran::parser::BlockStmt, Fortran::parser::EndBlockStmt, Fortran::parser::SelectCaseStmt, Fortran::parser::CaseStmt, Fortran::parser::EndSelectStmt, Fortran::parser::ChangeTeamStmt, Fortran::parser::EndChangeTeamStmt, Fortran::parser::CriticalStmt, Fortran::parser::EndCriticalStmt, Fortran::parser::NonLabelDoStmt, Fortran::parser::EndDoStmt, Fortran::parser::IfThenStmt, Fortran::parser::ElseIfStmt, Fortran::parser::ElseStmt, Fortran::parser::EndIfStmt, Fortran::parser::SelectRankStmt, Fortran::parser::SelectRankCaseStmt, Fortran::parser::SelectTypeStmt, Fortran::parser::TypeGuardStmt, Fortran::parser::WhereConstructStmt, Fortran::parser::MaskedElsewhereStmt, Fortran::parser::ElsewhereStmt, Fortran::parser::EndWhereStmt, Fortran::parser::ForallConstructStmt, Fortran::parser::EndForallStmt, Fortran::parser::EndProgramStmt, Fortran::parser::EndFunctionStmt, Fortran::parser::EndSubroutineStmt, Fortran::parser::EndMpSubprogramStmt, Fortran::parser::AssociateConstruct, Fortran::parser::BlockConstruct, Fortran::parser::CaseConstruct, Fortran::parser::ChangeTeamConstruct, Fortran::parser::CriticalConstruct, Fortran::parser::DoConstruct, Fortran::parser::IfConstruct, Fortran::parser::SelectRankConstruct, Fortran::parser::SelectTypeConstruct, Fortran::parser::WhereConstruct, Fortran::parser::ForallConstruct, Fortran::parser::CompilerDirective, Fortran::parser::OpenACCConstruct, Fortran::parser::OpenACCRoutineConstruct, Fortran::parser::OpenACCDeclarativeConstruct, Fortran::parser::OpenMPConstruct, Fortran::parser::OpenMPDeclarativeConstruct, Fortran::parser::OmpEndLoopDirective, Fortran::parser::CUFKernelDoConstruct>::visit<(anonymous namespace)::FirConverter::genFIR(Fortran::lower::pft::Evaluation&, bool)::'lambda'(auto const&)>(auto&&) const::'lambda'(auto)>, std::variant<Fortran::common::Reference<Fortran::parser::AllocateStmt const>, Fortran::common::Reference<Fortran::parser::AssignmentStmt const>, Fortran::common::Reference<Fortran::parser::BackspaceStmt const>, Fortran::common::Reference<Fortran::parser::CallStmt const>, Fortran::common::Reference<Fortran::parser::CloseStmt const>, Fortran::common::Reference<Fortran::parser::ContinueStmt const>, Fortran::common::Reference<Fortran::parser::CycleStmt const>, Fortran::common::Reference<Fortran::parser::DeallocateStmt const>, Fortran::common::Reference<Fortran::parser::EndfileStmt const>, Fortran::common::Reference<Fortran::parser::EventPostStmt const>, Fortran::common::Reference<Fortran::parser::EventWaitStmt const>, Fortran::common::Reference<Fortran::parser::ExitStmt const>, Fortran::common::Reference<Fortran::parser::FailImageStmt const>, Fortran::common::Reference<Fortran::parser::FlushStmt const>, Fortran::common::Reference<Fortran::parser::FormTeamStmt const>, Fortran::common::Reference<Fortran::parser::GotoStmt const>, Fortran::common::Reference<Fortran::parser::IfStmt const>, Fortran::common::Reference<Fortran::parser::InquireStmt const>, Fortran::common::Reference<Fortran::parser::LockStmt const>, Fortran::common::Reference<Fortran::parser::NotifyWaitStmt const>, Fortran::common::Reference<Fortran::parser::NullifyStmt const>, Fortran::common::Reference<Fortran::parser::OpenStmt const>, Fortran::common::Reference<Fortran::parser::PointerAssignmentStmt const>, Fortran::common::Reference<Fortran::parser::PrintStmt const>, Fortran::common::Reference<Fortran::parser::ReadStmt const>, Fortran::common::Reference<Fortran::parser::ReturnStmt const>, Fortran::common::Reference<Fortran::parser::RewindStmt const>, Fortran::common::Reference<Fortran::parser::StopStmt const>, Fortran::common::Reference<Fortran::parser::SyncAllStmt const>, Fortran::common::Reference<Fortran::parser::SyncImagesStmt const>, Fortran::common::Reference<Fortran::parser::SyncMemoryStmt const>, Fortran::common::Reference<Fortran::parser::SyncTeamStmt const>, Fortran::common::Reference<Fortran::parser::UnlockStmt const>, Fortran::common::Reference<Fortran::parser::WaitStmt const>, Fortran::common::Reference<Fortran::parser::WhereStmt const>, Fortran::common::Reference<Fortran::parser::WriteStmt const>, Fortran::common::Reference<Fortran::parser::ComputedGotoStmt const>, Fortran::common::Reference<Fortran::parser::ForallStmt const>, Fortran::common::Reference<Fortran::parser::ArithmeticIfStmt const>, Fortran::common::Reference<Fortran::parser::AssignStmt const>, Fortran::common::Reference<Fortran::parser::AssignedGotoStmt const>, Fortran::common::Reference<Fortran::parser::PauseStmt const>, Fortran::common::Reference<Fortran::parser::EntryStmt const>, Fortran::common::Reference<Fortran::parser::FormatStmt const>, Fortran::common::Reference<Fortran::parser::AssociateStmt const>, Fortran::common::Reference<Fortran::parser::EndAssociateStmt const>, Fortran::common::Reference<Fortran::parser::BlockStmt const>, Fortran::common::Reference<Fortran::parser::EndBlockStmt const>, Fortran::common::Reference<Fortran::parser::SelectCaseStmt const>, Fortran::common::Reference<Fortran::parser::CaseStmt const>, Fortran::common::Reference<Fortran::parser::EndSelectStmt const>, Fortran::common::Reference<Fortran::parser::ChangeTeamStmt const>, Fortran::common::Reference<Fortran::parser::EndChangeTeamStmt const>, Fortran::common::Reference<Fortran::parser::CriticalStmt const>, Fortran::common::Reference<Fortran::parser::EndCriticalStmt const>, Fortran::common::Reference<Fortran::parser::NonLabelDoStmt const>, Fortran::common::Reference<Fortran::parser::EndDoStmt const>, Fortran::common::Reference<Fortran::parser::IfThenStmt const>, Fortran::common::Reference<Fortran::parser::ElseIfStmt const>, Fortran::common::Reference<Fortran::parser::ElseStmt const>, Fortran::common::Reference<Fortran::parser::EndIfStmt const>, Fortran::common::Reference<Fortran::parser::SelectRankStmt const>, Fortran::common::Reference<Fortran::parser::SelectRankCaseStmt const>, Fortran::common::Reference<Fortran::parser::SelectTypeStmt const>, Fortran::common::Reference<Fortran::parser::TypeGuardStmt const>, Fortran::common::Reference<Fortran::parser::WhereConstructStmt const>, Fortran::common::Reference<Fortran::parser::MaskedElsewhereStmt const>, Fortran::common::Reference<Fortran::parser::ElsewhereStmt const>, Fortran::common::Reference<Fortran::parser::EndWhereStmt const>, Fortran::common::Reference<Fortran::parser::ForallConstructStmt const>, Fortran::common::Reference<Fortran::parser::EndForallStmt const>, Fortran::common::Reference<Fortran::parser::EndProgramStmt const>, Fortran::common::Reference<Fortran::parser::EndFunctionStmt const>, Fortran::common::Reference<Fortran::parser::EndSubroutineStmt const>, Fortran::common::Reference<Fortran::parser::EndMpSubprogramStmt const>, Fortran::common::Reference<Fortran::parser::AssociateConstruct const>, Fortran::common::Reference<Fortran::parser::BlockConstruct const>, Fortran::common::Reference<Fortran::parser::CaseConstruct const>, Fortran::common::Reference<Fortran::parser::ChangeTeamConstruct const>, Fortran::common::Reference<Fortran::parser::CriticalConstruct const>, Fortran::common::Reference<Fortran::parser::DoConstruct const>, Fortran::common::Reference<Fortran::parser::IfConstruct const>, Fortran::common::Reference<Fortran::parser::SelectRankConstruct const>, Fortran::common::Reference<Fortran::parser::SelectTypeConstruct const>, Fortran::common::Reference<Fortran::parser::WhereConstruct const>, Fortran::common::Reference<Fortran::parser::ForallConstruct const>, Fortran::common::Reference<Fortran::parser::CompilerDirective const>, Fortran::common::Reference<Fortran::parser::OpenACCConstruct const>, Fortran::common::Reference<Fortran::parser::OpenACCRoutineConstruct const>, Fortran::common::Reference<Fortran::parser::OpenACCDeclarativeConstruct const>, Fortran::common::Reference<Fortran::parser::OpenMPConstruct const>, Fortran::common::Reference<Fortran::parser::OpenMPDeclarativeConstruct const>, Fortran::common::Reference<Fortran::parser::OmpEndLoopDirective const>, Fortran::common::Reference<Fortran::parser::CUFKernelDoConstruct const>> const&>(Fortran::common::visitors<auto Fortran::lower::pft::ReferenceVariantBase<true, Fortran::parser::AllocateStmt, Fortran::parser::AssignmentStmt, Fortran::parser::BackspaceStmt, Fortran::parser::CallStmt, Fortran::parser::CloseStmt, Fortran::parser::ContinueStmt, Fortran::parser::CycleStmt, Fortran::parser::DeallocateStmt, Fortran::parser::EndfileStmt, Fortran::parser::EventPostStmt, Fortran::parser::EventWaitStmt, Fortran::parser::ExitStmt, Fortran::parser::FailImageStmt, Fortran::parser::FlushStmt, Fortran::parser::FormTeamStmt, Fortran::parser::GotoStmt, Fortran::parser::IfStmt, Fortran::parser::InquireStmt, Fortran::parser::LockStmt, Fortran::parser::NotifyWaitStmt, Fortran::parser::NullifyStmt, Fortran::parser::OpenStmt, Fortran::parser::PointerAssignmentStmt, Fortran::parser::PrintStmt, Fortran::parser::ReadStmt, Fortran::parser::ReturnStmt, Fortran::parser::RewindStmt, Fortran::parser::StopStmt, Fortran::parser::SyncAllStmt, Fortran::parser::SyncImagesStmt, Fortran::parser::SyncMemoryStmt, Fortran::parser::SyncTeamStmt, Fortran::parser::UnlockStmt, Fortran::parser::WaitStmt, Fortran::parser::WhereStmt, Fortran::parser::WriteStmt, Fortran::parser::ComputedGotoStmt, Fortran::parser::ForallStmt, Fortran::parser::ArithmeticIfStmt, Fortran::parser::AssignStmt, Fortran::parser::AssignedGotoStmt, Fortran::parser::PauseStmt, Fortran::parser::EntryStmt, Fortran::parser::FormatStmt, Fortran::parser::AssociateStmt, Fortran::parser::EndAssociateStmt, Fortran::parser::BlockStmt, Fortran::parser::EndBlockStmt, Fortran::parser::SelectCaseStmt, Fortran::parser::CaseStmt, Fortran::parser::EndSelectStmt, Fortran::parser::ChangeTeamStmt, Fortran::parser::EndChangeTeamStmt, Fortran::parser::CriticalStmt, Fortran::parser::EndCriticalStmt, Fortran::parser::NonLabelDoStmt, Fortran::parser::EndDoStmt, Fortran::parser::IfThenStmt, Fortran::parser::ElseIfStmt, Fortran::parser::ElseStmt, Fortran::parser::EndIfStmt, Fortran::parser::SelectRankStmt, Fortran::parser::SelectRankCaseStmt, Fortran::parser::SelectTypeStmt, Fortran::parser::TypeGuardStmt, Fortran::parser::WhereConstructStmt, Fortran::parser::MaskedElsewhereStmt, Fortran::parser::ElsewhereStmt, Fortran::parser::EndWhereStmt, Fortran::parser::ForallConstructStmt, Fortran::parser::EndForallStmt, Fortran::parser::EndProgramStmt, Fortran::parser::EndFunctionStmt, Fortran::parser::EndSubroutineStmt, Fortran::parser::EndMpSubprogramStmt, Fortran::parser::AssociateConstruct, Fortran::parser::BlockConstruct, Fortran::parser::CaseConstruct, Fortran::parser::ChangeTeamConstruct, Fortran::parser::CriticalConstruct, Fortran::parser::DoConstruct, Fortran::parser::IfConstruct, Fortran::parser::SelectRankConstruct, Fortran::parser::SelectTypeConstruct, Fortran::parser::WhereConstruct, Fortran::parser::ForallConstruct, Fortran::parser::CompilerDirective, Fortran::parser::OpenACCConstruct, Fortran::parser::OpenACCRoutineConstruct, Fortran::parser::OpenACCDeclarativeConstruct, Fortran::parser::OpenMPConstruct, Fortran::parser::OpenMPDeclarativeConstruct, Fortran::parser::OmpEndLoopDirective, Fortran::parser::CUFKernelDoConstruct>::visit<(anonymous namespace)::FirConverter::genFIR(Fortran::lower::pft::Evaluation&, bool)::'lambda'(auto const&)>(auto&&) const::'lambda'(auto)>&&, unsigned long, std::variant<Fortran::common::Reference<Fortran::parser::AllocateStmt const>, Fortran::common::Reference<Fortran::parser::AssignmentStmt const>, Fortran::common::Reference<Fortran::parser::BackspaceStmt const>, Fortran::common::Reference<Fortran::parser::CallStmt const>, Fortran::common::Reference<Fortran::parser::CloseStmt const>, Fortran::common::Reference<Fortran::parser::ContinueStmt const>, Fortran::common::Reference<Fortran::parser::CycleStmt const>, Fortran::common::Reference<Fortran::parser::DeallocateStmt const>, Fortran::common::Reference<Fortran::parser::EndfileStmt const>, Fortran::common::Reference<Fortran::parser::EventPostStmt const>, Fortran::common::Reference<Fortran::parser::EventWaitStmt const>, Fortran::common::Reference<Fortran::parser::ExitStmt const>, Fortran::common::Reference<Fortran::parser::FailImageStmt const>, Fortran::common::Reference<Fortran::parser::FlushStmt const>, Fortran::common::Reference<Fortran::parser::FormTeamStmt const>, Fortran::common::Reference<Fortran::parser::GotoStmt const>, Fortran::common::Reference<Fortran::parser::IfStmt const>, Fortran::common::Reference<Fortran::parser::InquireStmt const>, Fortran::common::Reference<Fortran::parser::LockStmt const>, Fortran::common::Reference<Fortran::parser::NotifyWaitStmt const>, Fortran::common::Reference<Fortran::parser::NullifyStmt const>, Fortran::common::Reference<Fortran::parser::OpenStmt const>, Fortran::common::Reference<Fortran::parser::PointerAssignmentStmt const>, Fortran::common::Reference<Fortran::parser::PrintStmt const>, Fortran::common::Reference<Fortran::parser::ReadStmt const>, Fortran::common::Reference<Fortran::parser::ReturnStmt const>, Fortran::common::Reference<Fortran::parser::RewindStmt const>, Fortran::common::Reference<Fortran::parser::StopStmt const>, Fortran::common::Reference<Fortran::parser::SyncAllStmt const>, Fortran::common::Reference<Fortran::parser::SyncImagesStmt const>, Fortran::common::Reference<Fortran::parser::SyncMemoryStmt const>, Fortran::common::Reference<Fortran::parser::SyncTeamStmt const>, Fortran::common::Reference<Fortran::parser::UnlockStmt const>, Fortran::common::Reference<Fortran::parser::WaitStmt const>, Fortran::common::Reference<Fortran::parser::WhereStmt const>, Fortran::common::Reference<Fortran::parser::WriteStmt const>, Fortran::common::Reference<Fortran::parser::ComputedGotoStmt const>, Fortran::common::Reference<Fortran::parser::ForallStmt const>, Fortran::common::Reference<Fortran::parser::ArithmeticIfStmt const>, Fortran::common::Reference<Fortran::parser::AssignStmt const>, Fortran::common::Reference<Fortran::parser::AssignedGotoStmt const>, Fortran::common::Reference<Fortran::parser::PauseStmt const>, Fortran::common::Reference<Fortran::parser::EntryStmt const>, Fortran::common::Reference<Fortran::parser::FormatStmt const>, Fortran::common::Reference<Fortran::parser::AssociateStmt const>, Fortran::common::Reference<Fortran::parser::EndAssociateStmt const>, Fortran::common::Reference<Fortran::parser::BlockStmt const>, Fortran::common::Reference<Fortran::parser::EndBlockStmt const>, Fortran::common::Reference<Fortran::parser::SelectCaseStmt const>, Fortran::common::Reference<Fortran::parser::CaseStmt const>, Fortran::common::Reference<Fortran::parser::EndSelectStmt const>, Fortran::common::Reference<Fortran::parser::ChangeTeamStmt const>, Fortran::common::Reference<Fortran::parser::EndChangeTeamStmt const>, Fortran::common::Reference<Fortran::parser::CriticalStmt const>, Fortran::common::Reference<Fortran::parser::EndCriticalStmt const>, Fortran::common::Reference<Fortran::parser::NonLabelDoStmt const>, Fortran::common::Reference<Fortran::parser::EndDoStmt const>, Fortran::common::Reference<Fortran::parser::IfThenStmt const>, Fortran::common::Reference<Fortran::parser::ElseIfStmt const>, Fortran::common::Reference<Fortran::parser::ElseStmt const>, Fortran::common::Reference<Fortran::parser::EndIfStmt const>, Fortran::common::Reference<Fortran::parser::SelectRankStmt const>, Fortran::common::Reference<Fortran::parser::SelectRankCaseStmt const>, Fortran::common::Reference<Fortran::parser::SelectTypeStmt const>, Fortran::common::Reference<Fortran::parser::TypeGuardStmt const>, Fortran::common::Reference<Fortran::parser::WhereConstructStmt const>, Fortran::common::Reference<Fortran::parser::MaskedElsewhereStmt const>, Fortran::common::Reference<Fortran::parser::ElsewhereStmt const>, Fortran::common::Reference<Fortran::parser::EndWhereStmt const>, Fortran::common::Reference<Fortran::parser::ForallConstructStmt const>, Fortran::common::Reference<Fortran::parser::EndForallStmt const>, Fortran::common::Reference<Fortran::parser::EndProgramStmt const>, Fortran::common::Reference<Fortran::parser::EndFunctionStmt const>, Fortran::common::Reference<Fortran::parser::EndSubroutineStmt const>, Fortran::common::Reference<Fortran::parser::EndMpSubprogramStmt const>, Fortran::common::Reference<Fortran::parser::AssociateConstruct const>, Fortran::common::Reference<Fortran::parser::BlockConstruct const>, Fortran::common::Reference<Fortran::parser::CaseConstruct const>, Fortran::common::Reference<Fortran::parser::ChangeTeamConstruct const>, Fortran::common::Reference<Fortran::parser::CriticalConstruct const>, Fortran::common::Reference<Fortran::parser::DoConstruct const>, Fortran::common::Reference<Fortran::parser::IfConstruct const>, Fortran::common::Reference<Fortran::parser::SelectRankConstruct const>, Fortran::common::Reference<Fortran::parser::SelectTypeConstruct const>, Fortran::common::Reference<Fortran::parser::WhereConstruct const>, Fortran::common::Reference<Fortran::parser::ForallConstruct const>, Fortran::common::Reference<Fortran::parser::CompilerDirective const>, Fortran::common::Reference<Fortran::parser::OpenACCConstruct const>, Fortran::common::Reference<Fortran::parser::OpenACCRoutineConstruct const>, Fortran::common::Reference<Fortran::parser::OpenACCDeclarativeConstruct const>, Fortran::common::Reference<Fortran::parser::OpenMPConstruct const>, Fortran::common::Reference<Fortran::parser::OpenMPDeclarativeConstruct const>, Fortran::common::Reference<Fortran::parser::OmpEndLoopDirective const>, Fortran::common::Reference<Fortran::parser::CUFKernelDoConstruct const>> const&) Bridge.cpp:0:0
#10 0x000000000430dc4c (anonymous namespace)::FirConverter::genFIR(Fortran::lower::pft::Evaluation&, bool) (.constprop.0) Bridge.cpp:0:0
#11 0x000000000431227c (anonymous namespace)::FirConverter::lowerFunc(Fortran::lower::pft::FunctionLikeUnit&) Bridge.cpp:0:0
#12 0x00000000043143f4 Fortran::lower::LoweringBridge::lower(Fortran::parser::Program const&, Fortran::semantics::SemanticsContext const&) (/opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang+0x43143f4)
#13 0x000000000418d8f6 Fortran::frontend::CodeGenAction::beginSourceFileAction() (/opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang+0x418d8f6)
#14 0x0000000003eda9e5 Fortran::frontend::FrontendAction::beginSourceFile(Fortran::frontend::CompilerInstance&, Fortran::frontend::FrontendInputFile const&) (/opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang+0x3eda9e5)
#15 0x0000000003ec94e7 Fortran::frontend::CompilerInstance::executeAction(Fortran::frontend::FrontendAction&) (/opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang+0x3ec94e7)
#16 0x0000000003ee4353 Fortran::frontend::executeCompilerInvocation(Fortran::frontend::CompilerInstance*) (/opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang+0x3ee4353)
#17 0x00000000021f227a fc1_main(llvm::ArrayRef<char const*>, char const*) (/opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang+0x21f227a)
#18 0x00000000020a90ff main (/opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang+0x20a90ff)
#19 0x00007c4ba4029d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#20 0x00007c4ba4029e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#21 0x00000000021f0c45 _start (/opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin/flang+0x21f0c45)
flang-21: error: unable to execute command: Segmentation fault (core dumped)
flang-21: error: flang frontend command failed due to signal (use -v to see invocation)
flang version 21.0.0git (https://github.com/llvm/llvm-project.git b7f5950bb3b97eac979925a3bbf015530c26962e)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/compiler-explorer/clang-llvmflang-trunk-20250526/bin
flang-21: warning: OpenMP support in flang is still experimental [-Wexperimental-option]
flang-21: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
flang-21: note: diagnostic msg: /tmp/example-bc7bde
flang-21: note: diagnostic msg: /tmp/example-bc7bde.sh
flang-21: note: diagnostic msg:
********************
Compiler returned: 254With the first testcase and assertion-enabled flang, I got the following assertion failure:
llvm-project/flang/lib/Lower/OpenMP/Clauses.cpp:73: static void Fortran::lower::omp::SymbolAndDesignatorExtractor::verify(const Fortran::lower::omp::SymbolWithDesignator &): Assertion `symbol && "Expecting symbol"' failed.The second testcase:
type t
end type
class(t), pointer :: tt
!$omp single copyprivate(tt)
!$omp end single
endWith the second testcase and assertion-enabled flang, I got the following assertion failure:
llvm-project/flang/lib/Lower/OpenMP/ClauseProcessor.cpp:756: void Fortran::lower::omp::TypeInfo::typeScan(mlir::Type): Assertion `ty.isIntOrIndexOrFloat() || mlir::isa<mlir::ComplexType>(ty) || mlir::isa<fir::LogicalType>(ty) || mlir::isa<fir::RecordType>(ty) || mlir::isa<fir::BoxProcType>(ty)' failed.