| Issue |
177758
|
| Summary |
[clang][bytecode] crash on __builtin_object_size
|
| Labels |
crash-on-valid,
clang:bytecode,
regression:22
|
| Assignees |
|
| Reporter |
k-arrows
|
Reproducer:
https://godbolt.org/z/EjrvrxjM8
```c
void foo(void *p) {
int i = __builtin_object_size(&p[2], 3);
}
```
Reproducer:
```console
not a primitive type
UNREACHABLE executed at /root/llvm-project/llvm/tools/clang/lib/AST/ByteCode/Compiler.h:290!
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++ -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 -x c -fexperimental-new-constant-interpreter <source>
1. <source>:2:42: current parser token ';'
2. <source>:1:19: parsing function body 'foo'
3. <source>:1:19: in compound statement ('{}')
#0 0x0000000004309af8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4309af8)
#1 0x0000000004306f54 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4306f54)
#2 0x0000000004249938 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x00007b86b2442520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00007b86b24969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x00007b86b2442476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x00007b86b24287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x000000000425439a (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x425439a)
#8 0x000000000828108c clang::interp::Compiler<clang::interp::EvalEmitter>::classifyPrim(clang::Expr const*) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x828108c)
#9 0x0000000008281292 clang::interp::Compiler<clang::interp::EvalEmitter>::VisitArraySubscriptExpr(clang::ArraySubscriptExpr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x8281292)
#10 0x00000000082c4571 clang::interp::Compiler<clang::interp::EvalEmitter>::VisitUnaryOperator(clang::UnaryOperator const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x82c4571)
#11 0x00000000082c02fb clang::interp::Compiler<clang::interp::EvalEmitter>::VisitCastExpr(clang::CastExpr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x82c02fb)
#12 0x00000000082b804e clang::interp::Compiler<clang::interp::EvalEmitter>::visitAsLValue(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x82b804e)
#13 0x00000000082b8570 clang::interp::Compiler<clang::interp::EvalEmitter>::VisitBuiltinCallExpr(clang::CallExpr const*, unsigned int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x82b8570)
#14 0x00000000082b86de clang::interp::Compiler<clang::interp::EvalEmitter>::VisitCallExpr(clang::CallExpr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x82b86de)
#15 0x00000000082bff4a clang::interp::Compiler<clang::interp::EvalEmitter>::visit(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x82bff4a)
#16 0x00000000082b3856 clang::interp::Compiler<clang::interp::EvalEmitter>::visitExpr(clang::Expr const*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x82b3856)
#17 0x0000000007e2ad6d clang::interp::EvalEmitter::interpretExpr(clang::Expr const*, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7e2ad6d)
#18 0x0000000007e1afd3 clang::interp::Context::evaluateAsRValue(clang::interp::State&, clang::Expr const*, clang::APValue&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7e1afd3)
#19 0x0000000007d883f3 EvaluateAsRValue((anonymous namespace)::EvalInfo&, clang::Expr const*, clang::APValue&) ExprConstant.cpp:0:0
#20 0x0000000007d908d7 clang::Expr::EvaluateAsRValue(clang::Expr::EvalResult&, clang::ASTContext const&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7d908d7)
#21 0x0000000006cb584b TryGetExprRange(clang::ASTContext&, clang::Expr const*, unsigned int, bool, bool) SemaChecking.cpp:0:0
#22 0x0000000006cf63b5 clang::Sema::CheckImplicitConversion(clang::Expr*, clang::QualType, clang::SourceLocation, bool*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6cf63b5)
#23 0x0000000006cfa3e9 AnalyzeImplicitConversions(clang::Sema&, clang::Expr*, clang::SourceLocation, bool) (.constprop.0) SemaChecking.cpp:0:0
#24 0x0000000006cfc1b5 clang::Sema::CheckCompletedExpr(clang::Expr*, clang::SourceLocation, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6cfc1b5)
#25 0x00000000070a2dc7 clang::Sema::ActOnFinishFullExpr(clang::Expr*, clang::SourceLocation, bool, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x70a2dc7)
#26 0x0000000006e622a5 clang::Sema::AddInitializerToDecl(clang::Decl*, clang::Expr*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6e622a5)
#27 0x0000000006aae441 clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6aae441)
#28 0x0000000006abb66a 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+++0x6abb66a)
#29 0x0000000006ac437f clang::Parser::ParseSimpleDeclaration(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&, clang::ParsedAttributes&, bool, clang::Parser::ForRangeInit*, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6ac437f)
#30 0x0000000006ac484c clang::Parser::ParseDeclaration(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&, clang::ParsedAttributes&, clang::SourceLocation*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6ac484c)
#31 0x0000000006b76a20 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&, clang::ParsedAttributes&, clang::LabelDecl*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b76a20)
#32 0x0000000006b772c6 clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 24u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::LabelDecl*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b772c6)
#33 0x0000000006b7fbb6 clang::Parser::ParseCompoundStatementBody(bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b7fbb6)
#34 0x0000000006b803ca clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6b803ca)
#35 0x0000000006a85c0b clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a85c0b)
#36 0x0000000006abc07d 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+++0x6abc07d)
#37 0x0000000006a78cdb clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a78cdb)
#38 0x0000000006a794cf clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a794cf)
#39 0x0000000006a814d1 clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a814d1)
#40 0x0000000006a823e5 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a823e5)
#41 0x0000000006a827d0 clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a827d0)
#42 0x0000000006a630c3 clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a630c3)
#43 0x0000000004c731e8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c731e8)
#44 0x0000000004f6e525 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4f6e525)
#45 0x0000000004eedf4e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4eedf4e)
#46 0x00000000050696ed clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x50696ed)
#47 0x0000000000ddd95e cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xddd95e)
#48 0x0000000000dd432a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) driver.cpp:0:0
#49 0x0000000000dd44ad int llvm::function_ref<int (llvm::SmallVectorImpl<char const*>&)>::callback_fn<clang_main(int, char**, llvm::ToolContext const&)::'lambda'(llvm::SmallVectorImpl<char const*>&)>(long, llvm::SmallVectorImpl<char const*>&) driver.cpp:0:0
#50 0x0000000004ce6c29 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
#51 0x0000000004249dd4 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4249dd4)
#52 0x0000000004ce723f 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
#53 0x0000000004ca7c12 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4ca7c12)
#54 0x0000000004ca8bbe 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+++0x4ca8bbe)
#55 0x0000000004cb0005 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4cb0005)
#56 0x0000000000dd9cd1 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdd9cd1)
#57 0x0000000000c96d24 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc96d24)
#58 0x00007b86b2429d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#59 0x00007b86b2429e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#60 0x0000000000dd3dc5 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdd3dc5)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134
```
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