Closed
Description
Reproducer:
https://godbolt.org/z/d3xM5dYsv
void foo() {
#pragma acc serial loop
for (int i = 0; i < 10; i++) {
#pragma acc loop
for (int j = 0; j < 10; j++) {
#pragma acc loop vector(length : 5)
for (int k = 0; k < 10; k++)
;
}
}
}The original reproducer of this issue is the following:
https://github.com/gcc-mirror/gcc/blob/master/gcc/testsuite/c-c%2B%2B-common/goacc/pr92793-1.c
Backtrace:
Non compute construct in active compute construct
UNREACHABLE executed at /root/llvm-project/llvm/tools/clang/lib/Sema/SemaOpenACCClause.cpp:1305!
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 -fno-verbose-asm -S --gcc-toolchain=/opt/compiler-explorer/gcc-snapshot -fcolor-diagnostics -fno-crash-diagnostics -fopenacc -fclangir <source>
1. <source>:6:36: at annotation token
2. <source>:1:12: parsing function body 'foo'
3. <source>:1:12: in compound statement ('{}')
4. <source>:3:32: in compound statement ('{}')
5. <source>:5:34: in compound statement ('{}')
#0 0x0000000003f99d48 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3f99d48)
#1 0x0000000003f979d4 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3f979d4)
#2 0x0000000003edc608 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x000076f392c42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x000076f392c969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x000076f392c42476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x000076f392c287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x0000000003ee7d4a (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3ee7d4a)
#8 0x0000000006e0df1c (anonymous namespace)::SemaOpenACCClauseVisitor::VisitVectorClause(clang::SemaOpenACC::OpenACCParsedClause&) SemaOpenACCClause.cpp:0:0
#9 0x0000000006e1706b (anonymous namespace)::SemaOpenACCClauseVisitor::Visit(clang::SemaOpenACC::OpenACCParsedClause&) SemaOpenACCClause.cpp:0:0
#10 0x0000000006e184de clang::SemaOpenACC::ActOnClause(llvm::ArrayRef<clang::OpenACCClause const*>, clang::SemaOpenACC::OpenACCParsedClause&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6e184de)
#11 0x000000000664629f clang::Parser::ParseOpenACCClauseParams(llvm::ArrayRef<clang::OpenACCClause const*>, clang::OpenACCDirectiveKind, clang::OpenACCClauseKind, clang::SourceLocation) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x664629f)
#12 0x00000000066486e6 clang::Parser::ParseOpenACCClauseList(clang::OpenACCDirectiveKind) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66486e6)
#13 0x000000000664905e clang::Parser::ParseOpenACCDirective() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x664905e)
#14 0x000000000664b4fc clang::Parser::ParseOpenACCDirectiveStmt() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x664b4fc)
#15 0x000000000673a7e2 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673a7e2)
#16 0x000000000673bc9d clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673bc9d)
#17 0x00000000067439c3 clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x67439c3)
#18 0x00000000067440b4 void llvm::function_ref<void ()>::callback_fn<clang::Parser::ParseCompoundStatement(bool, unsigned int)::'lambda'()>(long) ParseStmt.cpp:0:0
#19 0x0000000007f348d1 clang::StackExhaustionHandler::runWithSufficientStackSpace(clang::SourceLocation, llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7f348d1)
#20 0x0000000006735535 clang::Parser::ParseCompoundStatement(bool, unsigned int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6735535)
#21 0x0000000006739d97 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6739d97)
#22 0x000000000673bc9d clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673bc9d)
#23 0x000000000673ca38 clang::Parser::ParseStatement(clang::SourceLocation*, clang::Parser::ParsedStmtContext) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673ca38)
#24 0x000000000673dd8a clang::Parser::ParseForStatement(clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673dd8a)
#25 0x000000000673a657 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673a657)
#26 0x000000000673bc9d clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673bc9d)
#27 0x000000000673ca38 clang::Parser::ParseStatement(clang::SourceLocation*, clang::Parser::ParsedStmtContext) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673ca38)
#28 0x000000000664b5e7 clang::Parser::ParseOpenACCDirectiveStmt() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x664b5e7)
#29 0x000000000673a7e2 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673a7e2)
#30 0x000000000673bc9d clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673bc9d)
#31 0x00000000067439c3 clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x67439c3)
#32 0x00000000067440b4 void llvm::function_ref<void ()>::callback_fn<clang::Parser::ParseCompoundStatement(bool, unsigned int)::'lambda'()>(long) ParseStmt.cpp:0:0
#33 0x0000000007f348d1 clang::StackExhaustionHandler::runWithSufficientStackSpace(clang::SourceLocation, llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7f348d1)
#34 0x0000000006735535 clang::Parser::ParseCompoundStatement(bool, unsigned int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6735535)
#35 0x0000000006739d97 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6739d97)
#36 0x000000000673bc9d clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673bc9d)
#37 0x000000000673ca38 clang::Parser::ParseStatement(clang::SourceLocation*, clang::Parser::ParsedStmtContext) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673ca38)
#38 0x000000000673dd8a clang::Parser::ParseForStatement(clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673dd8a)
#39 0x000000000673a657 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673a657)
#40 0x000000000673bc9d clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673bc9d)
#41 0x000000000673ca38 clang::Parser::ParseStatement(clang::SourceLocation*, clang::Parser::ParsedStmtContext) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673ca38)
#42 0x000000000664b5e7 clang::Parser::ParseOpenACCDirectiveStmt() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x664b5e7)
#43 0x000000000673a7e2 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673a7e2)
#44 0x000000000673bc9d clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x673bc9d)
#45 0x00000000067439c3 clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x67439c3)
#46 0x000000000674418a clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x674418a)
#47 0x000000000663e1a3 clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x663e1a3)
#48 0x0000000006674b3d clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::ParsedAttributes&, clang::Parser::ParsedTemplateInfo&, clang::SourceLocation*, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6674b3d)
#49 0x0000000006631cee clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6631cee)
#50 0x00000000066324a9 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66324a9)
#51 0x0000000006639dba clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6639dba)
#52 0x000000000663ad5d clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x663ad5d)
#53 0x000000000663b210 clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x663b210)
#54 0x000000000662d0f3 clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x662d0f3)
#55 0x0000000004944fd8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4944fd8)
#56 0x0000000004c3cea5 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c3cea5)
#57 0x0000000004bbbb3e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4bbbb3e)
#58 0x0000000004d30a49 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4d30a49)
#59 0x0000000000dac29f cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdac29f)
#60 0x0000000000da246a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#61 0x00000000049ac2c9 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
#62 0x0000000003edcaa4 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3edcaa4)
#63 0x00000000049ac8df 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
#64 0x000000000496e6ad clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x496e6ad)
#65 0x000000000496f73e 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+++0x496f73e)
#66 0x0000000004977a25 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4977a25)
#67 0x0000000000da8208 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xda8208)
#68 0x0000000000c2df44 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc2df44)
#69 0x000076f392c29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#70 0x000076f392c29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#71 0x0000000000da1f15 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xda1f15)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134