| Issue |
164062
|
| Summary |
[clang] Assertion `CGF.getContext().hasSameUnqualifiedType(E->getSubExpr()->getType(), E->getType()) && "Implicit cast types must be compatible"' failed.
|
| Labels |
clang:codegen,
crash
|
| Assignees |
|
| Reporter |
k-arrows
|
Reproducer:
https://godbolt.org/z/jzTf8aMsM
```c
struct h {
int b;
int a[] __attribute__((counted_by(b)));
} p;
void foo(void) {
struct h {
int b;
int a[] __attribute__((counted_by(b)));
} x;
p = x;
}
```
Backtrace:
```console
clang++: /root/llvm-project/llvm/tools/clang/lib/CodeGen/CGExprAgg.cpp:986: void {anonymous}::AggExprEmitter::VisitCastExpr(clang::CastExpr*): Assertion `CGF.getContext().hasSameUnqualifiedType(E->getSubExpr()->getType(), E->getType()) && "Implicit cast types must be compatible"' 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++ -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 -std=c23 <source>
1. <eof> parser at end of file
2. <source>:6:6: LLVM IR generation of declaration 'foo'
3. <source>:6:6: Generating code for declaration 'foo'
#0 0x00000000042021d8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x42021d8)
#1 0x00000000041ff604 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x41ff604)
#2 0x0000000004143778 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x000070f077a42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x000070f077a969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x000070f077a42476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x000070f077a287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x000070f077a2871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
#8 0x000070f077a39e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#9 0x000000000458d85c (anonymous namespace)::AggExprEmitter::VisitCastExpr(clang::CastExpr*) CGExprAgg.cpp:0:0
#10 0x00000000045894f1 (anonymous namespace)::AggExprEmitter::Visit(clang::Expr*) CGExprAgg.cpp:0:0
#11 0x000000000458a1ee clang::CodeGen::CodeGenFunction::EmitAggExpr(clang::Expr const*, clang::CodeGen::AggValueSlot) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x458a1ee)
#12 0x000000000458aace (anonymous namespace)::AggExprEmitter::VisitBinAssign(clang::BinaryOperator const*) CGExprAgg.cpp:0:0
#13 0x0000000004589bab (anonymous namespace)::AggExprEmitter::Visit(clang::Expr*) CGExprAgg.cpp:0:0
#14 0x000000000458a1ee clang::CodeGen::CodeGenFunction::EmitAggExpr(clang::Expr const*, clang::CodeGen::AggValueSlot) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x458a1ee)
#15 0x0000000004542601 clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr const*, clang::CodeGen::AggValueSlot, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4542601)
#16 0x0000000004573a6d clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4573a6d)
#17 0x00000000046f4257 clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*, llvm::ArrayRef<clang::Attr const*>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x46f4257)
#18 0x00000000046fc53c clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt const&, bool, clang::CodeGen::AggValueSlot) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x46fc53c)
#19 0x0000000004764a8e clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4764a8e)
#20 0x0000000004776ae4 clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl, llvm::Function*, clang::CodeGen::CGFunctionInfo const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4776ae4)
#21 0x00000000047e3950 clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x47e3950)
#22 0x00000000047de824 clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x47de824)
#23 0x00000000047df6c0 clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x47df6c0)
#24 0x00000000047e9ea3 clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (.part.0) CodeGenModule.cpp:0:0
#25 0x0000000004b4f1e9 (anonymous namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef) ModuleBuilder.cpp:0:0
#26 0x0000000004b3e314 clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4b3e314)
#27 0x00000000068e74e4 clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x68e74e4)
#28 0x0000000004b4abe8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4b4abe8)
#29 0x0000000004e38265 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4e38265)
#30 0x0000000004db92fe clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4db92fe)
#31 0x0000000004f2fcfd clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4f2fcfd)
#32 0x0000000000dc2b50 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdc2b50)
#33 0x0000000000db96ba ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) driver.cpp:0:0
#34 0x0000000000db983d 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
#35 0x0000000004bb3d99 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
#36 0x0000000004143c14 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4143c14)
#37 0x0000000004bb43af 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
#38 0x0000000004b756c2 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4b756c2)
#39 0x0000000004b7666e 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+++0x4b7666e)
#40 0x0000000004b7dda5 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4b7dda5)
#41 0x0000000000dbf079 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdbf079)
#42 0x0000000000c6ee04 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc6ee04)
#43 0x000070f077a29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#44 0x000070f077a29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#45 0x0000000000db9155 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdb9155)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134
```
![]()
_______________________________________________
llvm-bugs mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
