llvmbot
commented
1 week ago @llvm/issue-subscribers-clang-frontend
Author: None (k-arrows)
Reproducible on Godbolt:
https://godbolt.org/z/ezWrjhzTE
Reproducer:
```cpp
void f(void) {
#pragma omp simd safelen(11111111111) simdlen(1)
for (int i = 0; i < 10; i++)
;
}
```
Stack dump:
```console
clang++: /root/llvm-project/llvm/lib/Support/APInt.cpp:293: 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 -fno-verbose-asm -S --gcc-toolchain=/opt/compiler-explorer/gcc-snapshot -fcolor-diagnostics -fno-crash-diagnostics -fopenmp <source>
1. <source>:5:1: current parser token '}'
2. <source>:1:14: parsing function body 'f'
3. <source>:1:14: in compound statement ('{}')
#0 0x0000000003b3be18 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3b3be18)
#1 0x0000000003b39adc llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3b39adc)
#2 0x0000000003a88228 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x00007cd787042520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00007cd7870969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x00007cd787042476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x00007cd7870287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x00007cd78702871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
#8 0x00007cd787039e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#9 0x0000000003a5fe77 llvm::APInt::compareSigned(llvm::APInt const&) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3a5fe77)
#10 0x0000000006ecd6e6 checkSimdlenSafelenSpecified(clang::Sema&, llvm::ArrayRef<clang::OMPClause*>) SemaOpenMP.cpp:0:0
#11 0x0000000006f6ad42 clang::SemaOpenMP::ActOnOpenMPSimdDirective(llvm::ArrayRef<clang::OMPClause*>, clang::Stmt*, clang::SourceLocation, clang::SourceLocation, llvm::SmallDenseMap<clang::ValueDecl const*, clang::Expr const*, 4u, llvm::DenseMapInfo<clang::ValueDecl const*, void>, llvm::detail::DenseMapPair<clang::ValueDecl const*, clang::Expr const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6f6ad42)
#12 0x0000000006f7b3e2 clang::SemaOpenMP::ActOnOpenMPExecutableDirective(llvm::omp::Directive, clang::DeclarationNameInfo const&, llvm::omp::Directive, llvm::ArrayRef<clang::OMPClause*>, clang::Stmt*, clang::SourceLocation, clang::SourceLocation) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6f7b3e2)
#13 0x00000000066ab737 clang::Parser::ParseOpenMPExecutableDirective(clang::Parser::ParsedStmtContext, llvm::omp::Directive, clang::SourceLocation, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66ab737)
#14 0x00000000066b8ee5 clang::Parser::ParseOpenMPDeclarativeOrExecutableDirective(clang::Parser::ParsedStmtContext, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66b8ee5)
#15 0x00000000066d58d4 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66d58d4)
#16 0x00000000066d78b0 clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66d78b0)
#17 0x00000000066d8789 clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66d8789)
#18 0x00000000066d9f0a clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66d9f0a)
#19 0x00000000065ede13 clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x65ede13)
#20 0x000000000662349d 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+++0x662349d)
#21 0x00000000065e1ace clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x65e1ace)
#22 0x00000000065e227e clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x65e227e)
#23 0x00000000065e8807 clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x65e8807)
#24 0x00000000065e96dd clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x65e96dd)
#25 0x00000000065e9b80 clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x65e9b80)
#26 0x00000000065dcc92 clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x65dcc92)
#27 0x0000000004488ea8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4488ea8)
#28 0x000000000471a4e9 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x471a4e9)
#29 0x000000000469dd9e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x469dd9e)
#30 0x00000000048036ee clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x48036ee)
#31 0x0000000000cbd55f cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xcbd55f)
#32 0x0000000000cb67aa ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#33 0x00000000044cc309 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
#34 0x0000000003a886d4 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3a886d4)
#35 0x00000000044cc8ff 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
#36 0x0000000004492805 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4492805)
#37 0x000000000449326d 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+++0x449326d)
#38 0x000000000449aeb5 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x449aeb5)
#39 0x0000000000cba955 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xcba955)
#40 0x0000000000b8c664 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xb8c664)
#41 0x00007cd787029d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#42 0x00007cd787029e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#43 0x0000000000cb625e _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xcb625e)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134
```
shafik
Reproducible on Godbolt: https://godbolt.org/z/ezWrjhzTE
Reproducer:
Stack dump: