[analyzer] crashes on __datasizeof #151711
Description
Reproducer:
https://godbolt.org/z/h6cETdPEd
void f(int i) {
__datasizeof(int[i++]);
}Backtrace:
clang++: /root/llvm-project/llvm/tools/clang/lib/AST/ExprConstant.cpp:17254: llvm::APSInt clang::Expr::EvaluateKnownConstInt(const clang::ASTContext&, llvm::SmallVectorImpl<std::pair<clang::SourceLocation, clang::PartialDiagnostic> >*) const: Assertion `Result && "Could not evaluate expression"' 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 --analyze <source>
1. <eof> parser at end of file
2. While analyzing stack:
#0 Calling f(int)
3. <source>:2:3: Error evaluating statement
4. <source>:2:3: Error evaluating statement
#0 0x0000000003fdb0d8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3fdb0d8)
#1 0x0000000003fd8504 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3fd8504)
#2 0x0000000003f1ccf8 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x0000791c30042520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x0000791c300969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x0000791c30042476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x0000791c300287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x0000791c3002871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
#8 0x0000791c30039e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#9 0x00000000078d2dee clang::Expr::EvaluateKnownConstInt(clang::ASTContext const&, llvm::SmallVectorImpl<std::pair<clang::SourceLocation, clang::PartialDiagnostic>>*) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x78d2dee)
#10 0x000000000655af7e clang::ento::ExprEngine::VisitUnaryExprOrTypeTraitExpr(clang::UnaryExprOrTypeTraitExpr const*, clang::ento::ExplodedNode*, clang::ento::ExplodedNodeSet&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x655af7e)
#11 0x000000000654a9af clang::ento::ExprEngine::Visit(clang::Stmt const*, clang::ento::ExplodedNode*, clang::ento::ExplodedNodeSet&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x654a9af)
#12 0x000000000654babd clang::ento::ExprEngine::ProcessStmt(clang::Stmt const*, clang::ento::ExplodedNode*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x654babd)
#13 0x00000000065009fa clang::ento::CoreEngine::HandleBlockEntrance(clang::BlockEntrance const&, clang::ento::ExplodedNode*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x65009fa)
#14 0x0000000006500f72 clang::ento::CoreEngine::dispatchWorkItem(clang::ento::ExplodedNode*, clang::ProgramPoint, clang::ento::WorkListUnit const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6500f72)
#15 0x0000000006501301 clang::ento::CoreEngine::ExecuteWorkList(clang::LocationContext const*, unsigned int, llvm::IntrusiveRefCntPtr<clang::ento::ProgramState const>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6501301)
#16 0x00000000060c83f7 (anonymous namespace)::AnalysisConsumer::HandleCode(clang::Decl*, unsigned int, clang::ento::ExprEngine::InliningModes, llvm::DenseSet<clang::Decl const*, llvm::DenseMapInfo<clang::Decl const*, void>>*) AnalysisConsumer.cpp:0:0
#17 0x00000000060ca02e (anonymous namespace)::AnalysisConsumer::HandleDeclsCallGraph(unsigned int) AnalysisConsumer.cpp:0:0
#18 0x00000000060cba33 (anonymous namespace)::AnalysisConsumer::HandleTranslationUnit(clang::ASTContext&) AnalysisConsumer.cpp:0:0
#19 0x00000000066861fc clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66861fc)
#20 0x0000000004c7aa05 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c7aa05)
#21 0x0000000004bf780e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4bf780e)
#22 0x0000000004d6e731 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4d6e731)
#23 0x0000000000daa41f cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdaa41f)
#24 0x0000000000da106a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#25 0x00000000049eeaa9 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
#26 0x0000000003f1d194 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3f1d194)
#27 0x00000000049ef0bf 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
#28 0x00000000049b16ed clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49b16ed)
#29 0x00000000049b277e 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+++0x49b277e)
#30 0x00000000049ba7b5 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49ba7b5)
#31 0x0000000000da68cf clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xda68cf)
#32 0x0000000000c5b7d4 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc5b7d4)
#33 0x0000791c30029d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#34 0x0000791c30029e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#35 0x0000000000da0b15 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xda0b15)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134