nathanchance wrote:
This breaks `ARCH=arm64 allmodconfig` for me.
```
$ echo CONFIG_WERROR=n >kernel/configs/no-werror.config
$ make -skj"$(nproc)" ARCH=arm64 LLVM=1 mrproper {allmod,no-werror.}config
drivers/net/ethernet/sfc/falcon/falcon.o
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:
/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang ...
1. <eof> parser at end of file
2. Per-file LLVM IR generation
3. drivers/net/ethernet/sfc/falcon/falcon.c:1099:13: Generating code for
declaration 'falcon_reconfigure_xmac_core'
4. drivers/net/ethernet/sfc/falcon/falcon.c:1149:2
<Spelling=include/linux/fortify-string.h:626:42>: LLVM IR generation of
compound statement ('{}')
#0 0x000055636ce677c8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x436f7c8)
#1 0x000055636ce652ee llvm::sys::RunSignalHandlers()
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x436d2ee)
#2 0x000055636cdea976 CrashRecoverySignalHandler(int)
CrashRecoveryContext.cpp:0:0
#3 0x00007fe53564c1d0 (/usr/lib/libc.so.6+0x3d1d0)
#4 0x000055636d415238
clang::CodeGen::CodeGenFunction::emitCountedByMemberSize(clang::Expr const*,
llvm::Value*, unsigned int, llvm::IntegerType*)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x491d238)
#5 0x000055636d41489f
clang::CodeGen::CodeGenFunction::emitBuiltinObjectSize(clang::Expr const*,
unsigned int, llvm::IntegerType*, llvm::Value*, bool)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x491c89f)
#6 0x000055636d41de14
clang::CodeGen::CodeGenFunction::EmitBuiltinExpr(clang::GlobalDecl, unsigned
int, clang::CallExpr const*, clang::CodeGen::ReturnValueSlot)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x4925e14)
#8 0x000055636d27dd2a (anonymous
namespace)::ScalarExprEmitter::VisitCallExpr(clang::CallExpr const*)
CGExprScalar.cpp:0:0
#9 0x000055636d26a64b (anonymous
namespace)::ScalarExprEmitter::Visit(clang::Expr*) CGExprScalar.cpp:0:0
#10 0x000055636d26a53d
clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x477253d)
#11 0x000055636d2b42d0
clang::CodeGen::CodeGenFunction::EmitScalarInit(clang::Expr const*,
clang::ValueDecl const*, clang::CodeGen::LValue, bool)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x47bc2d0)
#12 0x000055636d2b78dc
clang::CodeGen::CodeGenFunction::EmitAutoVarInit(clang::CodeGen::CodeGenFunction::AutoVarEmission
const&) (/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x47bf8dc)
#13 0x000055636d2b1c69
clang::CodeGen::CodeGenFunction::EmitVarDecl(clang::VarDecl const&)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x47b9c69)
#14 0x000055636d2b14ef clang::CodeGen::CodeGenFunction::EmitDecl(clang::Decl
const&) (/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x47b94ef)
#15 0x000055636d1e146b
clang::CodeGen::CodeGenFunction::EmitDeclStmt(clang::DeclStmt const&)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x46e946b)
#16 0x000055636d1d4d53
clang::CodeGen::CodeGenFunction::EmitSimpleStmt(clang::Stmt const*,
llvm::ArrayRef<clang::Attr const*>)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x46dcd53)
#17 0x000055636d1d42f4 clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt
const*, llvm::ArrayRef<clang::Attr const*>)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x46dc2f4)
#18 0x000055636d1e2652
clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt
const&, bool, clang::CodeGen::AggValueSlot)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x46ea652)
#19 0x000055636d1e1399
clang::CodeGen::CodeGenFunction::EmitCompoundStmt(clang::CompoundStmt const&,
bool, clang::CodeGen::AggValueSlot)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x46e9399)
#20 0x000055636d2797e7 (anonymous
namespace)::ScalarExprEmitter::VisitStmtExpr(clang::StmtExpr const*)
CGExprScalar.cpp:0:0
#21 0x000055636d26a53d
clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x477253d)
#22 0x000055636d23cb84
clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(clang::Expr const*)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x4744b84)
#23 0x000055636d1d43e7 clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt
const*, llvm::ArrayRef<clang::Attr const*>)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x46dc3e7)
#24 0x000055636d1e2830
clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt
const&, bool, clang::CodeGen::AggValueSlot)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x46ea830)
#25 0x000055636d1c0676
clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl,
llvm::Function*, clang::CodeGen::CGFunctionInfo const&)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x46c8676)
#26 0x000055636d091cc0
clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl,
llvm::GlobalValue*)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x4599cc0)
#27 0x000055636d08958f
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl,
llvm::GlobalValue*)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x459158f)
#28 0x000055636d079b6b clang::CodeGen::CodeGenModule::EmitDeferred()
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x4581b6b)
#29 0x000055636d079b97 clang::CodeGen::CodeGenModule::EmitDeferred()
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x4581b97)
#30 0x000055636d07668a clang::CodeGen::CodeGenModule::Release()
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x457e68a)
#31 0x000055636d6bfc9b (anonymous
namespace)::CodeGeneratorImpl::HandleTranslationUnit(clang::ASTContext&)
ModuleBuilder.cpp:0:0
#32 0x000055636d6b828e
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x4bc028e)
#33 0x000055636eb46ab9 clang::ParseAST(clang::Sema&, bool, bool)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x604eab9)
#34 0x000055636daff8e6 clang::FrontendAction::Execute()
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x50078e6)
#35 0x000055636da729ad
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x4f7a9ad)
#36 0x000055636dbc77ba
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x50cf7ba)
#37 0x000055636b634ae5 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x2b3cae5)
#38 0x000055636b630bbf ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&,
llvm::ToolContext const&) driver.cpp:0:0
#39 0x000055636d8f3c69 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::$_0>(long) Job.cpp:0:0
#40 0x000055636cdea6fe
llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x42f26fe)
#41 0x000055636d8f3303
clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>,
std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char>>*, bool*) const
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x4dfb303)
#42 0x000055636d8b60bc
clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&,
clang::driver::Command const*&, bool) const
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x4dbe0bc)
#43 0x000055636d8b62d7
clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&,
llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool)
const (/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x4dbe2d7)
#44 0x000055636d8d2238
clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&,
llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x4dda238)
#45 0x000055636b630447 clang_main(int, char**, llvm::ToolContext const&)
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x2b38447)
#46 0x000055636b63fe37 main
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x2b47e37)
#47 0x00007fe535634e08 (/usr/lib/libc.so.6+0x25e08)
#48 0x00007fe535634ecc __libc_start_main (/usr/lib/libc.so.6+0x25ecc)
#49 0x000055636b62e765 _start
(/mnt/nvme/tmp/build/llvm-project-testing/final/bin/clang+0x2b36765)
clang: error: clang frontend command failed with exit code 139 (use -v to see
invocation)
ClangBuiltLinux clang version 21.0.0git
(https://github.com/llvm/llvm-project.git
cff0a460ae864505bc2a064c269ebe548aa35949)
...
```
I can reduce up something shortly.
https://github.com/llvm/llvm-project/pull/122198
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