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Clang: error compiling the kernel #116239

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odomingao opened this issue Nov 14, 2024 · 7 comments
Open

Clang: error compiling the kernel #116239

odomingao opened this issue Nov 14, 2024 · 7 comments
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clang:codegen crash Prefer [crash-on-valid] or [crash-on-invalid]

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@odomingao
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odomingao commented Nov 14, 2024 •
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clang-report.tar.gz

/usr/include/c++/14.2.1/bits/unique_ptr.h:447: typename std::add_lvalue_reference<_Tp>::type std::unique_ptr<_Tp, _Dp>::operator*() const [with _Tp = clang::CodeGen::CGRecordLayout; _Dp = std::default_delete<clang::CodeGen::CGRecordLayout>; typename std::add_lvalue_reference<_Tp>::type = clang::CodeGen::CGRecordLayout&]: Assertion 'get() != pointer()' 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: clang -Wp,-MMD,net/core/.dev.o.d -nostdinc -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/compiler-version.h -include ./include/linux/kconfig.h -include ./include/linux/compiler_types.h -D__KERNEL__ --target=x86_64-linux-gnu -fintegrated-as -Werror=unknown-warning-option -Werror=ignored-optimization-argument -Werror=option-ignored -Werror=unused-command-line-argument -fmacro-prefix-map=./= -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -fcf-protection=branch -fno-jump-tables -m64 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mstack-alignment=8 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mretpoline-external-thunk -mindirect-branch-cs-prefix -mfunction-return=thunk-extern -mharden-sls=all -fpatchable-function-entry=11,11 -fno-delete-null-pointer-checks -O2 -fstack-protector-strong -ftrivial-auto-var-init=zero -fno-stack-clash-protection -pg -mfentry -DCC_USING_NOP_MCOUNT -DCC_USING_FENTRY -fno-lto -flto -fvisibility=hidden -fsanitize=kcfi -falign-functions=16 -fstrict-flex-arrays=3 -fno-strict-overflow -fno-stack-check -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=2048 -Wno-gnu -Wvla -Wno-pointer-sign -Wcast-function-type -Wimplicit-fallthrough -Werror=date-time -Werror=incompatible-pointer-types -Wenum-conversion -Wextra -Wunused -Wno-unused-but-set-variable -Wno-unused-const-variable -Wno-format-overflow -Wno-format-overflow-non-kprintf -Wno-format-truncation-non-kprintf -Wno-override-init -Wno-pointer-to-enum-cast -Wno-tautological-constant-out-of-range-compare -Wno-unaligned-access -Wno-enum-compare-conditional -Wno-enum-enum-conversion -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-sign-compare -Wno-unused-parameter -DRANDSTRUCT -frandomize-layout-seed-file=./scripts/basic/randstruct.seed -fsanitize=array-bounds -fsanitize=local-bounds -fsanitize-trap=undefined -DKBUILD_MODFILE=\"net/core/dev\" -DKBUILD_BASENAME=\"dev\" -DKBUILD_MODNAME=\"dev\" -D__KBUILD_MODNAME=kmod_dev -c -o net/core/dev.o net/core/dev.c
1.	net/core/dev.c:10568:1 <Spelling=./include/linux/export.h:56:2>: current parser token 'extern'
2.	net/core/dev.c:10558:6: LLVM IR generation of declaration 'init_dummy_netdev'
3.	net/core/dev.c:10558:6: Generating code for declaration 'init_dummy_netdev'
4.	net/core/dev.c:10565:2 <Spelling=./include/linux/fortify-string.h:501:65>: LLVM IR generation of compound statement ('{}')
 #0 0x00006627841c4d90 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/lib/libLLVM.so.18.1+0x7c4d90)
 #1 0x00006627841c226d llvm::sys::CleanupOnSignal(unsigned long) (/usr/lib/libLLVM.so.18.1+0x7c226d)
 #2 0x00006627840a88e9 (/usr/lib/libLLVM.so.18.1+0x6a88e9)
 #3 0x000066278344c1d0 (/usr/lib/libc.so.6+0x3d1d0)
 #4 0x00006627834a53f4 (/usr/lib/libc.so.6+0x963f4)
 #5 0x000066278344c120 raise (/usr/lib/libc.so.6+0x3d120)
 #6 0x00006627834334c3 abort (/usr/lib/libc.so.6+0x244c3)
 #7 0x00006627836d3af0 std::chrono::_V2::system_clock::now() /usr/src/debug/gcc/gcc/libstdc++-v3/src/c++11/chrono.cc:52:5
 #8 0x000066278d55d000 clang::CodeGen::CodeGenTypes::getCGRecordLayout(clang::RecordDecl const*) (/usr/lib/libclang-cpp.so.18.1+0x195d000)
 #9 0x000066278d3249b5 (/usr/lib/libclang-cpp.so.18.1+0x17249b5)
#10 0x000066278d324a7f (/usr/lib/libclang-cpp.so.18.1+0x1724a7f)
#11 0x000066278d354892 clang::CodeGen::CodeGenFunction::EmitCountedByFieldExpr(clang::Expr const*, clang::FieldDecl const*, clang::FieldDecl const*) (/usr/lib/libclang-cpp.so.18.1+0x1754892)
#12 0x000066278d178aca clang::CodeGen::CodeGenFunction::emitFlexibleArrayMemberSize(clang::Expr const*, unsigned int, llvm::IntegerType*) (/usr/lib/libclang-cpp.so.18.1+0x1578aca)
#13 0x000066278d17949d clang::CodeGen::CodeGenFunction::emitBuiltinObjectSize(clang::Expr const*, unsigned int, llvm::IntegerType*, llvm::Value*, bool) (/usr/lib/libclang-cpp.so.18.1+0x157949d)
#14 0x000066278d1891a1 clang::CodeGen::CodeGenFunction::EmitBuiltinExpr(clang::GlobalDecl, unsigned int, clang::CallExpr const*, clang::CodeGen::ReturnValueSlot) (/usr/lib/libclang-cpp.so.18.1+0x15891a1)
#15 0x000066278d356b89 clang::CodeGen::CodeGenFunction::EmitCallExpr(clang::CallExpr const*, clang::CodeGen::ReturnValueSlot) (/usr/lib/libclang-cpp.so.18.1+0x1756b89)
#16 0x000066278d370b32 (/usr/lib/libclang-cpp.so.18.1+0x1770b32)
#17 0x000066278d3a9ce3 clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool) (/usr/lib/libclang-cpp.so.18.1+0x17a9ce3)
#18 0x000066278d3542af clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr const*, clang::CodeGen::AggValueSlot, bool) (/usr/lib/libclang-cpp.so.18.1+0x17542af)
#19 0x000066278d356fe2 clang::CodeGen::CodeGenFunction::EmitAnyExprToTemp(clang::Expr const*) (/usr/lib/libclang-cpp.so.18.1+0x1756fe2)
#20 0x000066278d2a34c5 clang::CodeGen::CodeGenFunction::EmitCallArg(clang::CodeGen::CallArgList&, clang::Expr const*, clang::QualType) (/usr/lib/libclang-cpp.so.18.1+0x16a34c5)
#21 0x000066278d2a4283 clang::CodeGen::CodeGenFunction::EmitCallArgs(clang::CodeGen::CallArgList&, clang::CodeGen::CodeGenFunction::PrototypeWrapper, llvm::iterator_range<clang::Stmt::CastIterator<clang::Expr, clang::Expr const* const, clang::Stmt const* const>>, clang::CodeGen::CodeGenFunction::AbstractCallee, unsigned int, clang::CodeGen::CodeGenFunction::EvaluationOrder) (/usr/lib/libclang-cpp.so.18.1+0x16a4283)
#22 0x000066278d35574f clang::CodeGen::CodeGenFunction::EmitCall(clang::QualType, clang::CodeGen::CGCallee const&, clang::CallExpr const*, clang::CodeGen::ReturnValueSlot, llvm::Value*) (/usr/lib/libclang-cpp.so.18.1+0x175574f)
#23 0x000066278d356abe clang::CodeGen::CodeGenFunction::EmitCallExpr(clang::CallExpr const*, clang::CodeGen::ReturnValueSlot) (/usr/lib/libclang-cpp.so.18.1+0x1756abe)
#24 0x000066278d370b32 (/usr/lib/libclang-cpp.so.18.1+0x1770b32)
#25 0x000066278d3a9ce3 clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool) (/usr/lib/libclang-cpp.so.18.1+0x17a9ce3)
#26 0x000066278d3542af clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr const*, clang::CodeGen::AggValueSlot, bool) (/usr/lib/libclang-cpp.so.18.1+0x17542af)
#27 0x000066278d3544d4 clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(clang::Expr const*) (/usr/lib/libclang-cpp.so.18.1+0x17544d4)
#28 0x000066278d39e970 (/usr/lib/libclang-cpp.so.18.1+0x179e970)
#29 0x000066278e396454 (/usr/lib/libclang-cpp.so.18.1+0x2796454)
#30 0x000066278d35975b clang::CodeGen::CodeGenFunction::EmitAnyExprToMem(clang::Expr const*, clang::CodeGen::Address, clang::Qualifiers, bool) (/usr/lib/libclang-cpp.so.18.1+0x175975b)
#31 0x000066278d4a81b8 clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt const&, bool, clang::CodeGen::AggValueSlot) (/usr/lib/libclang-cpp.so.18.1+0x18a81b8)
#32 0x000066278d4a841e clang::CodeGen::CodeGenFunction::EmitCompoundStmt(clang::CompoundStmt const&, bool, clang::CodeGen::AggValueSlot) (/usr/lib/libclang-cpp.so.18.1+0x18a841e)
#33 0x000066278d375127 (/usr/lib/libclang-cpp.so.18.1+0x1775127)
#34 0x000066278d3a9ce3 clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool) (/usr/lib/libclang-cpp.so.18.1+0x17a9ce3)
#35 0x000066278d3542af clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr const*, clang::CodeGen::AggValueSlot, bool) (/usr/lib/libclang-cpp.so.18.1+0x17542af)
#36 0x000066278d3544d4 clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(clang::Expr const*) (/usr/lib/libclang-cpp.so.18.1+0x17544d4)
#37 0x000066278d4a6f92 clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*, llvm::ArrayRef<clang::Attr const*>) (/usr/lib/libclang-cpp.so.18.1+0x18a6f92)
#38 0x000066278d4a80ea clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt const&, bool, clang::CodeGen::AggValueSlot) (/usr/lib/libclang-cpp.so.18.1+0x18a80ea)
#39 0x000066278d4e3c69 clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*) (/usr/lib/libclang-cpp.so.18.1+0x18e3c69)
#40 0x000066278d4f8721 clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl, llvm::Function*, clang::CodeGen::CGFunctionInfo const&) (/usr/lib/libclang-cpp.so.18.1+0x18f8721)
#41 0x000066278d53649d clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/usr/lib/libclang-cpp.so.18.1+0x193649d)
#42 0x000066278d5334b9 clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/usr/lib/libclang-cpp.so.18.1+0x19334b9)
#43 0x000066278d533dc3 clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl) (/usr/lib/libclang-cpp.so.18.1+0x1933dc3)
#44 0x000066278d53c732 (/usr/lib/libclang-cpp.so.18.1+0x193c732)
#45 0x000066278d599853 (/usr/lib/libclang-cpp.so.18.1+0x1999853)
#46 0x000066278d4b2597 clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef) (/usr/lib/libclang-cpp.so.18.1+0x18b2597)
#47 0x000066278c18d022 clang::ParseAST(clang::Sema&, bool, bool) (/usr/lib/libclang-cpp.so.18.1+0x58d022)
#48 0x000066278dc58451 clang::FrontendAction::Execute() (/usr/lib/libclang-cpp.so.18.1+0x2058451)
#49 0x000066278dbf9097 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/usr/lib/libclang-cpp.so.18.1+0x1ff9097)
#50 0x000066278dcb07fd clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/usr/lib/libclang-cpp.so.18.1+0x20b07fd)
#51 0x00000d81c96ab3a4 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/usr/bin/clang-18+0x133a4)
#52 0x00000d81c96af70a (/usr/bin/clang-18+0x1770a)
#53 0x000066278d92e485 (/usr/lib/libclang-cpp.so.18.1+0x1d2e485)
#54 0x00006627840a8d3a llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/usr/lib/libLLVM.so.18.1+0x6a8d3a)
#55 0x000066278d930e16 (/usr/lib/libclang-cpp.so.18.1+0x1d30e16)
#56 0x000066278d8ec039 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/usr/lib/libclang-cpp.so.18.1+0x1cec039)
#57 0x000066278d8ec43c clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (/usr/lib/libclang-cpp.so.18.1+0x1cec43c)
#58 0x000066278d90a864 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/usr/lib/libclang-cpp.so.18.1+0x1d0a864)
#59 0x00000d81c96b2045 clang_main(int, char**, llvm::ToolContext const&) (/usr/bin/clang-18+0x1a045)
#60 0x00000d81c96a2fd5 main (/usr/bin/clang-18+0xafd5)
#61 0x0000662783434e08 (/usr/lib/libc.so.6+0x25e08)
#62 0x0000662783434ecc __libc_start_main (/usr/lib/libc.so.6+0x25ecc)
#63 0x00000d81c96a3035 _start (/usr/bin/clang-18+0xb035)
clang: error: clang frontend command failed with exit code 134 (use -v to see invocation)
clang version 18.1.8
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
clang: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang: note: diagnostic msg: /tmp/dev-8ea089.c
clang: note: diagnostic msg: /tmp/dev-8ea089.sh
clang: note: diagnostic msg: 

********************
make[4]: *** [scripts/Makefile.build:244: net/core/dev.o] Error 1
make[3]: *** [scripts/Makefile.build:485: net/core] Error 2
make[2]: *** [scripts/Makefile.build:485: net] Error 2
make[2]: *** Waiting for unfinished jobs....
@github-actions github-actions bot added the clang Clang issues not falling into any other category label Nov 14, 2024
@DimitryAndric
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Make a .tar.gz file or .zip file with the two files in it, you should be able to attach that, if it is not larger than 10MB.

@odomingao
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Thanks, I uploaded the .tar.gz in the OP.

@EugeneZelenko EugeneZelenko added clang:codegen crash Prefer [crash-on-valid] or [crash-on-invalid] and removed clang Clang issues not falling into any other category labels Nov 14, 2024
@llvmbot
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llvmbot commented Nov 14, 2024

@llvm/issue-subscribers-clang-codegen

Author: None (odomingao)

clang-report.tar.gz

/usr/include/c++/14.2.1/bits/unique_ptr.h:447: typename std::add_lvalue_reference&lt;_Tp&gt;::type std::unique_ptr&lt;_Tp, _Dp&gt;::operator*() const [with _Tp = clang::CodeGen::CGRecordLayout; _Dp = std::default_delete&lt;clang::CodeGen::CGRecordLayout&gt;; typename std::add_lvalue_reference&lt;_Tp&gt;::type = clang::CodeGen::CGRecordLayout&amp;]: Assertion 'get() != pointer()' 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: clang -Wp,-MMD,net/core/.dev.o.d -nostdinc -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/compiler-version.h -include ./include/linux/kconfig.h -include ./include/linux/compiler_types.h -D__KERNEL__ --target=x86_64-linux-gnu -fintegrated-as -Werror=unknown-warning-option -Werror=ignored-optimization-argument -Werror=option-ignored -Werror=unused-command-line-argument -fmacro-prefix-map=./= -std=gnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -fcf-protection=branch -fno-jump-tables -m64 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mstack-alignment=8 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mretpoline-external-thunk -mindirect-branch-cs-prefix -mfunction-return=thunk-extern -mharden-sls=all -fpatchable-function-entry=11,11 -fno-delete-null-pointer-checks -O2 -fstack-protector-strong -ftrivial-auto-var-init=zero -fno-stack-clash-protection -pg -mfentry -DCC_USING_NOP_MCOUNT -DCC_USING_FENTRY -fno-lto -flto -fvisibility=hidden -fsanitize=kcfi -falign-functions=16 -fstrict-flex-arrays=3 -fno-strict-overflow -fno-stack-check -Wall -Wundef -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Werror=strict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wmissing-declarations -Wmissing-prototypes -Wframe-larger-than=2048 -Wno-gnu -Wvla -Wno-pointer-sign -Wcast-function-type -Wimplicit-fallthrough -Werror=date-time -Werror=incompatible-pointer-types -Wenum-conversion -Wextra -Wunused -Wno-unused-but-set-variable -Wno-unused-const-variable -Wno-format-overflow -Wno-format-overflow-non-kprintf -Wno-format-truncation-non-kprintf -Wno-override-init -Wno-pointer-to-enum-cast -Wno-tautological-constant-out-of-range-compare -Wno-unaligned-access -Wno-enum-compare-conditional -Wno-enum-enum-conversion -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-sign-compare -Wno-unused-parameter -DRANDSTRUCT -frandomize-layout-seed-file=./scripts/basic/randstruct.seed -fsanitize=array-bounds -fsanitize=local-bounds -fsanitize-trap=undefined -DKBUILD_MODFILE=\"net/core/dev\" -DKBUILD_BASENAME=\"dev\" -DKBUILD_MODNAME=\"dev\" -D__KBUILD_MODNAME=kmod_dev -c -o net/core/dev.o net/core/dev.c
1.	net/core/dev.c:10568:1 &lt;Spelling=./include/linux/export.h:56:2&gt;: current parser token 'extern'
2.	net/core/dev.c:10558:6: LLVM IR generation of declaration 'init_dummy_netdev'
3.	net/core/dev.c:10558:6: Generating code for declaration 'init_dummy_netdev'
4.	net/core/dev.c:10565:2 &lt;Spelling=./include/linux/fortify-string.h:501:65&gt;: LLVM IR generation of compound statement ('{}')
 #<!-- -->0 0x00006627841c4d90 llvm::sys::PrintStackTrace(llvm::raw_ostream&amp;, int) (/usr/lib/libLLVM.so.18.1+0x7c4d90)
 #<!-- -->1 0x00006627841c226d llvm::sys::CleanupOnSignal(unsigned long) (/usr/lib/libLLVM.so.18.1+0x7c226d)
 #<!-- -->2 0x00006627840a88e9 (/usr/lib/libLLVM.so.18.1+0x6a88e9)
 #<!-- -->3 0x000066278344c1d0 (/usr/lib/libc.so.6+0x3d1d0)
 #<!-- -->4 0x00006627834a53f4 (/usr/lib/libc.so.6+0x963f4)
 #<!-- -->5 0x000066278344c120 raise (/usr/lib/libc.so.6+0x3d120)
 #<!-- -->6 0x00006627834334c3 abort (/usr/lib/libc.so.6+0x244c3)
 #<!-- -->7 0x00006627836d3af0 std::chrono::_V2::system_clock::now() /usr/src/debug/gcc/gcc/libstdc++-v3/src/c++11/chrono.cc:52:5
 #<!-- -->8 0x000066278d55d000 clang::CodeGen::CodeGenTypes::getCGRecordLayout(clang::RecordDecl const*) (/usr/lib/libclang-cpp.so.18.1+0x195d000)
 #<!-- -->9 0x000066278d3249b5 (/usr/lib/libclang-cpp.so.18.1+0x17249b5)
#<!-- -->10 0x000066278d324a7f (/usr/lib/libclang-cpp.so.18.1+0x1724a7f)
#<!-- -->11 0x000066278d354892 clang::CodeGen::CodeGenFunction::EmitCountedByFieldExpr(clang::Expr const*, clang::FieldDecl const*, clang::FieldDecl const*) (/usr/lib/libclang-cpp.so.18.1+0x1754892)
#<!-- -->12 0x000066278d178aca clang::CodeGen::CodeGenFunction::emitFlexibleArrayMemberSize(clang::Expr const*, unsigned int, llvm::IntegerType*) (/usr/lib/libclang-cpp.so.18.1+0x1578aca)
#<!-- -->13 0x000066278d17949d clang::CodeGen::CodeGenFunction::emitBuiltinObjectSize(clang::Expr const*, unsigned int, llvm::IntegerType*, llvm::Value*, bool) (/usr/lib/libclang-cpp.so.18.1+0x157949d)
#<!-- -->14 0x000066278d1891a1 clang::CodeGen::CodeGenFunction::EmitBuiltinExpr(clang::GlobalDecl, unsigned int, clang::CallExpr const*, clang::CodeGen::ReturnValueSlot) (/usr/lib/libclang-cpp.so.18.1+0x15891a1)
#<!-- -->15 0x000066278d356b89 clang::CodeGen::CodeGenFunction::EmitCallExpr(clang::CallExpr const*, clang::CodeGen::ReturnValueSlot) (/usr/lib/libclang-cpp.so.18.1+0x1756b89)
#<!-- -->16 0x000066278d370b32 (/usr/lib/libclang-cpp.so.18.1+0x1770b32)
#<!-- -->17 0x000066278d3a9ce3 clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool) (/usr/lib/libclang-cpp.so.18.1+0x17a9ce3)
#<!-- -->18 0x000066278d3542af clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr const*, clang::CodeGen::AggValueSlot, bool) (/usr/lib/libclang-cpp.so.18.1+0x17542af)
#<!-- -->19 0x000066278d356fe2 clang::CodeGen::CodeGenFunction::EmitAnyExprToTemp(clang::Expr const*) (/usr/lib/libclang-cpp.so.18.1+0x1756fe2)
#<!-- -->20 0x000066278d2a34c5 clang::CodeGen::CodeGenFunction::EmitCallArg(clang::CodeGen::CallArgList&amp;, clang::Expr const*, clang::QualType) (/usr/lib/libclang-cpp.so.18.1+0x16a34c5)
#<!-- -->21 0x000066278d2a4283 clang::CodeGen::CodeGenFunction::EmitCallArgs(clang::CodeGen::CallArgList&amp;, clang::CodeGen::CodeGenFunction::PrototypeWrapper, llvm::iterator_range&lt;clang::Stmt::CastIterator&lt;clang::Expr, clang::Expr const* const, clang::Stmt const* const&gt;&gt;, clang::CodeGen::CodeGenFunction::AbstractCallee, unsigned int, clang::CodeGen::CodeGenFunction::EvaluationOrder) (/usr/lib/libclang-cpp.so.18.1+0x16a4283)
#<!-- -->22 0x000066278d35574f clang::CodeGen::CodeGenFunction::EmitCall(clang::QualType, clang::CodeGen::CGCallee const&amp;, clang::CallExpr const*, clang::CodeGen::ReturnValueSlot, llvm::Value*) (/usr/lib/libclang-cpp.so.18.1+0x175574f)
#<!-- -->23 0x000066278d356abe clang::CodeGen::CodeGenFunction::EmitCallExpr(clang::CallExpr const*, clang::CodeGen::ReturnValueSlot) (/usr/lib/libclang-cpp.so.18.1+0x1756abe)
#<!-- -->24 0x000066278d370b32 (/usr/lib/libclang-cpp.so.18.1+0x1770b32)
#<!-- -->25 0x000066278d3a9ce3 clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool) (/usr/lib/libclang-cpp.so.18.1+0x17a9ce3)
#<!-- -->26 0x000066278d3542af clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr const*, clang::CodeGen::AggValueSlot, bool) (/usr/lib/libclang-cpp.so.18.1+0x17542af)
#<!-- -->27 0x000066278d3544d4 clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(clang::Expr const*) (/usr/lib/libclang-cpp.so.18.1+0x17544d4)
#<!-- -->28 0x000066278d39e970 (/usr/lib/libclang-cpp.so.18.1+0x179e970)
#<!-- -->29 0x000066278e396454 (/usr/lib/libclang-cpp.so.18.1+0x2796454)
#<!-- -->30 0x000066278d35975b clang::CodeGen::CodeGenFunction::EmitAnyExprToMem(clang::Expr const*, clang::CodeGen::Address, clang::Qualifiers, bool) (/usr/lib/libclang-cpp.so.18.1+0x175975b)
#<!-- -->31 0x000066278d4a81b8 clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt const&amp;, bool, clang::CodeGen::AggValueSlot) (/usr/lib/libclang-cpp.so.18.1+0x18a81b8)
#<!-- -->32 0x000066278d4a841e clang::CodeGen::CodeGenFunction::EmitCompoundStmt(clang::CompoundStmt const&amp;, bool, clang::CodeGen::AggValueSlot) (/usr/lib/libclang-cpp.so.18.1+0x18a841e)
#<!-- -->33 0x000066278d375127 (/usr/lib/libclang-cpp.so.18.1+0x1775127)
#<!-- -->34 0x000066278d3a9ce3 clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool) (/usr/lib/libclang-cpp.so.18.1+0x17a9ce3)
#<!-- -->35 0x000066278d3542af clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr const*, clang::CodeGen::AggValueSlot, bool) (/usr/lib/libclang-cpp.so.18.1+0x17542af)
#<!-- -->36 0x000066278d3544d4 clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(clang::Expr const*) (/usr/lib/libclang-cpp.so.18.1+0x17544d4)
#<!-- -->37 0x000066278d4a6f92 clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*, llvm::ArrayRef&lt;clang::Attr const*&gt;) (/usr/lib/libclang-cpp.so.18.1+0x18a6f92)
#<!-- -->38 0x000066278d4a80ea clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt const&amp;, bool, clang::CodeGen::AggValueSlot) (/usr/lib/libclang-cpp.so.18.1+0x18a80ea)
#<!-- -->39 0x000066278d4e3c69 clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*) (/usr/lib/libclang-cpp.so.18.1+0x18e3c69)
#<!-- -->40 0x000066278d4f8721 clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl, llvm::Function*, clang::CodeGen::CGFunctionInfo const&amp;) (/usr/lib/libclang-cpp.so.18.1+0x18f8721)
#<!-- -->41 0x000066278d53649d clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/usr/lib/libclang-cpp.so.18.1+0x193649d)
#<!-- -->42 0x000066278d5334b9 clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/usr/lib/libclang-cpp.so.18.1+0x19334b9)
#<!-- -->43 0x000066278d533dc3 clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl) (/usr/lib/libclang-cpp.so.18.1+0x1933dc3)
#<!-- -->44 0x000066278d53c732 (/usr/lib/libclang-cpp.so.18.1+0x193c732)
#<!-- -->45 0x000066278d599853 (/usr/lib/libclang-cpp.so.18.1+0x1999853)
#<!-- -->46 0x000066278d4b2597 clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef) (/usr/lib/libclang-cpp.so.18.1+0x18b2597)
#<!-- -->47 0x000066278c18d022 clang::ParseAST(clang::Sema&amp;, bool, bool) (/usr/lib/libclang-cpp.so.18.1+0x58d022)
#<!-- -->48 0x000066278dc58451 clang::FrontendAction::Execute() (/usr/lib/libclang-cpp.so.18.1+0x2058451)
#<!-- -->49 0x000066278dbf9097 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&amp;) (/usr/lib/libclang-cpp.so.18.1+0x1ff9097)
#<!-- -->50 0x000066278dcb07fd clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/usr/lib/libclang-cpp.so.18.1+0x20b07fd)
#<!-- -->51 0x00000d81c96ab3a4 cc1_main(llvm::ArrayRef&lt;char const*&gt;, char const*, void*) (/usr/bin/clang-18+0x133a4)
#<!-- -->52 0x00000d81c96af70a (/usr/bin/clang-18+0x1770a)
#<!-- -->53 0x000066278d92e485 (/usr/lib/libclang-cpp.so.18.1+0x1d2e485)
#<!-- -->54 0x00006627840a8d3a llvm::CrashRecoveryContext::RunSafely(llvm::function_ref&lt;void ()&gt;) (/usr/lib/libLLVM.so.18.1+0x6a8d3a)
#<!-- -->55 0x000066278d930e16 (/usr/lib/libclang-cpp.so.18.1+0x1d30e16)
#<!-- -->56 0x000066278d8ec039 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&amp;, clang::driver::Command const*&amp;, bool) const (/usr/lib/libclang-cpp.so.18.1+0x1cec039)
#<!-- -->57 0x000066278d8ec43c clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&amp;, llvm::SmallVectorImpl&lt;std::pair&lt;int, clang::driver::Command const*&gt;&gt;&amp;, bool) const (/usr/lib/libclang-cpp.so.18.1+0x1cec43c)
#<!-- -->58 0x000066278d90a864 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&amp;, llvm::SmallVectorImpl&lt;std::pair&lt;int, clang::driver::Command const*&gt;&gt;&amp;) (/usr/lib/libclang-cpp.so.18.1+0x1d0a864)
#<!-- -->59 0x00000d81c96b2045 clang_main(int, char**, llvm::ToolContext const&amp;) (/usr/bin/clang-18+0x1a045)
#<!-- -->60 0x00000d81c96a2fd5 main (/usr/bin/clang-18+0xafd5)
#<!-- -->61 0x0000662783434e08 (/usr/lib/libc.so.6+0x25e08)
#<!-- -->62 0x0000662783434ecc __libc_start_main (/usr/lib/libc.so.6+0x25ecc)
#<!-- -->63 0x00000d81c96a3035 _start (/usr/bin/clang-18+0xb035)
clang: error: clang frontend command failed with exit code 134 (use -v to see invocation)
clang version 18.1.8
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
clang: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang: note: diagnostic msg: /tmp/dev-8ea089.c
clang: note: diagnostic msg: /tmp/dev-8ea089.sh
clang: note: diagnostic msg: 

********************
make[4]: *** [scripts/Makefile.build:244: net/core/dev.o] Error 1
make[3]: *** [scripts/Makefile.build:485: net/core] Error 2
make[2]: *** [scripts/Makefile.build:485: net] Error 2
make[2]: *** Waiting for unfinished jobs....

@EugeneZelenko
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Could you please try 19 or main branch?

@AaronBallman
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Based on clang::CodeGen::CodeGenFunction::EmitCountedByFieldExpr in the stack trace, CC @bwendling @rapidsna for awareness

@DimitryAndric
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This regressed with llvmorg-18-init-17371-g00b6d03 for #76348, and was (likely) fixed again by llvmorg-19-init-18145-g1f6f97e, both by @bwendling. So this is a good candidate for backporting to release/19.x, but 18.x won't get any more updates.

@bwendling
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This was fixed in the 19.x branch:

commit 6db5f4f
Author: Bill Wendling [email protected]
Date: Tue Jul 23 07:49:46 2024 +0000

[Clang] Ignore empty FieldDecls when asking for the field number (#100040)

A FieldDecl that's an empty struct may not show up in CGRecordLayout. Go
ahead and ignore such a field as it shouldn't make a difference to these
calculations.

Fixes: 1f6f97e2b64a ("[Clang] Loop over FieldDecls instead of all Decls (#99574)")
Co-authored-by: Eli Friedman <[email protected]>

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@AaronBallman @bwendling @DimitryAndric @EugeneZelenko @llvmbot @odomingao