Open
Description
Goes back to clang-3.9: https://godbolt.org/z/vad3Eddc3
Simplified test:
struct B
{
int i;
template<typename T>
void foo();
};
template<typename T>
void B::foo()
{
#pragma omp parallel
{
#pragma omp sections lastprivate (i)
{
i = 0;
}
}
}$clang++ -fopenmp -fsyntax-only test.cpp
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-trunk/bin/clang++ -gdwarf-4 -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 -fopenmp <source>
1. <source>:17:3: current parser token '}'
2. <source>:10:1: parsing function body 'B::foo'
3. <source>:10:1: in compound statement ('{}')
4. <source>:12:3: in compound statement ('{}')
#0 0x0000000003c31b88 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x3c31b88)
#1 0x0000000003c2fccc llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x3c2fccc)
#2 0x0000000003b80358 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x000071a30ac42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00000000069ec7ec clang::SemaOpenMP::EndOpenMPDSABlock(clang::Stmt*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x69ec7ec)
#5 0x00000000062d1691 clang::Parser::ParseOpenMPExecutableDirective(clang::Parser::ParsedStmtContext, llvm::omp::Directive, clang::SourceLocation, bool) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x62d1691)
#6 0x00000000062df7c7 clang::Parser::ParseOpenMPDeclarativeOrExecutableDirective(clang::Parser::ParsedStmtContext, bool) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x62df7c7)
#7 0x0000000006302bd4 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x6302bd4)
#8 0x00000000063047ce clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x63047ce)
#9 0x000000000630d24d clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x630d24d)
#10 0x000000000630dbc4 void llvm::function_ref<void ()>::callback_fn<clang::Parser::ParseCompoundStatement(bool, unsigned int)::'lambda'()>(long) ParseStmt.cpp:0:0
#11 0x00000000079bc501 clang::StackExhaustionHandler::runWithSufficientStackSpace(clang::SourceLocation, llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x79bc501)
#12 0x00000000062fbe1e clang::Parser::ParseCompoundStatement(bool, unsigned int) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x62fbe1e)
#13 0x0000000006302b47 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x6302b47)
#14 0x00000000063047ce clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x63047ce)
#15 0x0000000006305e68 clang::Parser::ParseStatement(clang::SourceLocation*, clang::Parser::ParsedStmtContext) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x6305e68)
#16 0x00000000062d1bc2 clang::Parser::ParseOpenMPExecutableDirective(clang::Parser::ParsedStmtContext, llvm::omp::Directive, clang::SourceLocation, bool) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x62d1bc2)
#17 0x00000000062df7c7 clang::Parser::ParseOpenMPDeclarativeOrExecutableDirective(clang::Parser::ParsedStmtContext, bool) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x62df7c7)
#18 0x0000000006302bd4 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x6302bd4)
#19 0x00000000063047ce clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x63047ce)
#20 0x000000000630d24d clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x630d24d)
#21 0x000000000630dc8a clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x630dc8a)
#22 0x00000000061e7c06 clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x61e7c06)
#23 0x000000000623424f clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::ParsedAttributes&, clang::Parser::ParsedTemplateInfo&, clang::SourceLocation*, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x623424f)
#24 0x0000000006318870 clang::Parser::ParseDeclarationAfterTemplate(clang::DeclaratorContext, clang::Parser::ParsedTemplateInfo&, clang::ParsingDeclRAIIObject&, clang::SourceLocation&, clang::ParsedAttributes&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x6318870)
#25 0x0000000006325dfa clang::Parser::ParseTemplateDeclarationOrSpecialization(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x6325dfa)
#26 0x000000000632617f clang::Parser::ParseDeclarationStartingWithTemplate(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x632617f)
#27 0x0000000006237197 clang::Parser::ParseDeclaration(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&, clang::ParsedAttributes&, clang::SourceLocation*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x6237197)
#28 0x00000000061ea961 clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x61ea961)
#29 0x00000000061ec188 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x61ec188)
#30 0x00000000061da59a clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x61da59a)
#31 0x000000000457ae7d clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-trunk/bin/clang+++0x457ae7d)
#32 0x000000000488ca8a clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-trunk/bin/clang+++0x488ca8a)
#33 0x00000000048082db clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x48082db)
#34 0x0000000004981033 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x4981033)
#35 0x0000000000d95745 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-trunk/bin/clang+++0xd95745)
#36 0x0000000000d8d58d ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#37 0x00000000045ec9b9 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
#38 0x0000000003b80773 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x3b80773)
#39 0x00000000045ecbd9 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
#40 0x00000000045af77d clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-trunk/bin/clang+++0x45af77d)
#41 0x00000000045b0741 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (/opt/compiler-explorer/clang-trunk/bin/clang+++0x45b0741)
#42 0x00000000045bb06c clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0x45bb06c)
#43 0x0000000000d91ed1 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-trunk/bin/clang+++0xd91ed1)
#44 0x0000000000c4c4f4 main (/opt/compiler-explorer/clang-trunk/bin/clang+++0xc4c4f4)
#45 0x000071a30ac29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#46 0x000071a30ac29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#47 0x0000000000d8d025 _start (/opt/compiler-explorer/clang-trunk/bin/clang+++0xd8d025)
clang++: error: clang frontend command failed with exit code 139 (use -v to see invocation)
Compiler returned: 139
Generated by fuzzer.