Clang Crash (SIGSEGV) in CodeGen with __attribute__((preserve_access_index)) on structure access

[Theaamadu]

Compiler Explorer: https://godbolt.org/z/jjnhK9fe8

• clang start crashing on 12.0.0
• generated by fuzzer

Console

PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /opt/compiler-explorer/clang-12.0.0/bin/clang -g -o /app/output.s -mllvm --x86-asm-syntax=intel -fno-verbose-asm -S --gcc-toolchain=/opt/compiler-explorer/gcc-10.3.0 -fcolor-diagnostics -fno-crash-diagnostics <source>
1.	<eof> parser at end of file
2.	<source>:14:6: LLVM IR generation of declaration 'func'
3.	<source>:14:6: Generating code for declaration 'func'
 #0 0x00005e4ee7b3abd1 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x318fbd1)
 #1 0x00005e4ee7b38994 llvm::sys::RunSignalHandlers() (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x318d994)
 #2 0x00005e4ee7b38c31 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x318dc31)
 #3 0x00005e4ee7aa1748 CrashRecoverySignalHandler(int) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x30f6748)
 #4 0x0000755b44442520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #5 0x00005e4ee7ee0626 clang::CodeGen::CodeGenModule::getNaturalTypeAlignment(clang::QualType, clang::CodeGen::LValueBaseInfo*, clang::CodeGen::TBAAAccessInfo*, bool) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3535626)
 #6 0x00005e4ee81402a4 clang::CodeGen::CodeGenFunction::EmitPointerWithAlignment(clang::Expr const*, clang::CodeGen::LValueBaseInfo*, clang::CodeGen::TBAAAccessInfo*) (.localalias) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x37952a4)
 #7 0x00005e4ee8142c90 clang::CodeGen::CodeGenFunction::EmitArraySubscriptExpr(clang::ArraySubscriptExpr const*, bool) (.localalias) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3797c90)
 #8 0x00005e4ee813de3c clang::CodeGen::CodeGenFunction::EmitLValue(clang::Expr const*) (.localalias) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3792e3c)
 #9 0x00005e4ee81432c7 clang::CodeGen::CodeGenFunction::EmitCheckedLValue(clang::Expr const*, clang::CodeGen::CodeGenFunction::TypeCheckKind) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x37982c7)
#10 0x00005e4ee81895b9 (anonymous namespace)::ScalarExprEmitter::VisitBinAssign(clang::BinaryOperator const*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x37de5b9)
#11 0x00005e4ee8184134 (anonymous namespace)::ScalarExprEmitter::Visit(clang::Expr*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x37d9134)
#12 0x00005e4ee8184bb7 clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x37d9bb7)
#13 0x00005e4ee812d557 clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr const*, clang::CodeGen::AggValueSlot, bool) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3782557)
#14 0x00005e4ee813e0fe clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(clang::Expr const*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x37930fe)
#15 0x00005e4ee7e6f872 clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*, llvm::ArrayRef<clang::Attr const*>) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x34c4872)
#16 0x00005e4ee7e6fea2 clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt const&, bool, clang::CodeGen::AggValueSlot) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x34c4ea2)
#17 0x00005e4ee7ec639a clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x351b39a)
#18 0x00005e4ee7ed19fe clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl, llvm::Function*, clang::CodeGen::CGFunctionInfo const&) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x35269fe)
#19 0x00005e4ee7f20517 clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3575517)
#20 0x00005e4ee7f1df35 clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3572f35)
#21 0x00005e4ee7f1e403 clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3573403)
#22 0x00005e4ee7f242e9 clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (.part.0) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x35792e9)
#23 0x00005e4ee8b24ee1 (anonymous namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x4179ee1)
#24 0x00005e4ee8b18afd clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x416dafd)
#25 0x00005e4ee9a6d2d4 clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x50c22d4)
#26 0x00005e4ee8b22626 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x4177626)
#27 0x00005e4ee847cab1 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3ad1ab1)
#28 0x00005e4ee8419ebb clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3a6eebb)
#29 0x00005e4ee854e940 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3ba3940)
#30 0x00005e4ee59315f1 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0xf865f1)
#31 0x00005e4ee592ebbb ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0xf83bbb)
#32 0x00005e4ee82c0299 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const::'lambda'()>(long) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3915299)
#33 0x00005e4ee7aa1847 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x30f6847)
#34 0x00005e4ee82c0d96 clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const (.part.0) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3915d96)
#35 0x00005e4ee829522c clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&) const (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x38ea22c)
#36 0x00005e4ee8295c49 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) const (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x38eac49)
#37 0x00005e4ee82a1381 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x38f6381)
#38 0x00005e4ee587141a main (/opt/compiler-explorer/clang-12.0.0/bin/clang+0xec641a)
#39 0x0000755b44429d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#40 0x0000755b44429e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#41 0x00005e4ee592e74e _start (/opt/compiler-explorer/clang-12.0.0/bin/clang+0xf8374e)
clang-12: error: clang frontend command failed with exit code 139 (use -v to see invocation)
Compiler returned: 139

Code

struct T {
  int a;
  int b;
  struct U {
    int c;
    struct V {
      int d;
      int e[4];
      int f;
    } v;
  } u;
} __attribute__((preserve_access_index));

void func(struct T {
  int a;
  int b;
  struct U {
    int c;
    struct V {
      int d;
      int e[4];
      int f;
    } v;
  } u;
} __attribute__((preserve_access_index)) *t) {
  t->u.v.e[3] = 0xa1;
  t->u.c = t->a + t->b;
}

[llvmbot]

@llvm/issue-subscribers-clang-codegen

Author: None (Theaamadu)

## Compiler Explorer: https://godbolt.org/z/jjnhK9fe8

• clang start crashing on 12.0.0
• generated by fuzzer

Console

PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /opt/compiler-explorer/clang-12.0.0/bin/clang -g -o /app/output.s -mllvm --x86-asm-syntax=intel -fno-verbose-asm -S --gcc-toolchain=/opt/compiler-explorer/gcc-10.3.0 -fcolor-diagnostics -fno-crash-diagnostics <source>
1.	<eof> parser at end of file
2.	<source>:14:6: LLVM IR generation of declaration 'func'
3.	<source>:14:6: Generating code for declaration 'func'
 #<!-- -->0 0x00005e4ee7b3abd1 llvm::sys::PrintStackTrace(llvm::raw_ostream&amp;, int) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x318fbd1)
 #<!-- -->1 0x00005e4ee7b38994 llvm::sys::RunSignalHandlers() (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x318d994)
 #<!-- -->2 0x00005e4ee7b38c31 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x318dc31)
 #<!-- -->3 0x00005e4ee7aa1748 CrashRecoverySignalHandler(int) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x30f6748)
 #<!-- -->4 0x0000755b44442520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #<!-- -->5 0x00005e4ee7ee0626 clang::CodeGen::CodeGenModule::getNaturalTypeAlignment(clang::QualType, clang::CodeGen::LValueBaseInfo*, clang::CodeGen::TBAAAccessInfo*, bool) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3535626)
 #<!-- -->6 0x00005e4ee81402a4 clang::CodeGen::CodeGenFunction::EmitPointerWithAlignment(clang::Expr const*, clang::CodeGen::LValueBaseInfo*, clang::CodeGen::TBAAAccessInfo*) (.localalias) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x37952a4)
 #<!-- -->7 0x00005e4ee8142c90 clang::CodeGen::CodeGenFunction::EmitArraySubscriptExpr(clang::ArraySubscriptExpr const*, bool) (.localalias) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3797c90)
 #<!-- -->8 0x00005e4ee813de3c clang::CodeGen::CodeGenFunction::EmitLValue(clang::Expr const*) (.localalias) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3792e3c)
 #<!-- -->9 0x00005e4ee81432c7 clang::CodeGen::CodeGenFunction::EmitCheckedLValue(clang::Expr const*, clang::CodeGen::CodeGenFunction::TypeCheckKind) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x37982c7)
#<!-- -->10 0x00005e4ee81895b9 (anonymous namespace)::ScalarExprEmitter::VisitBinAssign(clang::BinaryOperator const*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x37de5b9)
#<!-- -->11 0x00005e4ee8184134 (anonymous namespace)::ScalarExprEmitter::Visit(clang::Expr*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x37d9134)
#<!-- -->12 0x00005e4ee8184bb7 clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x37d9bb7)
#<!-- -->13 0x00005e4ee812d557 clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr const*, clang::CodeGen::AggValueSlot, bool) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3782557)
#<!-- -->14 0x00005e4ee813e0fe clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(clang::Expr const*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x37930fe)
#<!-- -->15 0x00005e4ee7e6f872 clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*, llvm::ArrayRef&lt;clang::Attr const*&gt;) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x34c4872)
#<!-- -->16 0x00005e4ee7e6fea2 clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt const&amp;, bool, clang::CodeGen::AggValueSlot) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x34c4ea2)
#<!-- -->17 0x00005e4ee7ec639a clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x351b39a)
#<!-- -->18 0x00005e4ee7ed19fe clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl, llvm::Function*, clang::CodeGen::CGFunctionInfo const&amp;) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x35269fe)
#<!-- -->19 0x00005e4ee7f20517 clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3575517)
#<!-- -->20 0x00005e4ee7f1df35 clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3572f35)
#<!-- -->21 0x00005e4ee7f1e403 clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3573403)
#<!-- -->22 0x00005e4ee7f242e9 clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (.part.0) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x35792e9)
#<!-- -->23 0x00005e4ee8b24ee1 (anonymous namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x4179ee1)
#<!-- -->24 0x00005e4ee8b18afd clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x416dafd)
#<!-- -->25 0x00005e4ee9a6d2d4 clang::ParseAST(clang::Sema&amp;, bool, bool) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x50c22d4)
#<!-- -->26 0x00005e4ee8b22626 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x4177626)
#<!-- -->27 0x00005e4ee847cab1 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3ad1ab1)
#<!-- -->28 0x00005e4ee8419ebb clang::CompilerInstance::ExecuteAction(clang::FrontendAction&amp;) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3a6eebb)
#<!-- -->29 0x00005e4ee854e940 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3ba3940)
#<!-- -->30 0x00005e4ee59315f1 cc1_main(llvm::ArrayRef&lt;char const*&gt;, char const*, void*) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0xf865f1)
#<!-- -->31 0x00005e4ee592ebbb ExecuteCC1Tool(llvm::SmallVectorImpl&lt;char const*&gt;&amp;) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0xf83bbb)
#<!-- -->32 0x00005e4ee82c0299 void llvm::function_ref&lt;void ()&gt;::callback_fn&lt;clang::driver::CC1Command::Execute(llvm::ArrayRef&lt;llvm::Optional&lt;llvm::StringRef&gt; &gt;, std::__cxx11::basic_string&lt;char, std::char_traits&lt;char&gt;, std::allocator&lt;char&gt; &gt;*, bool*) const::'lambda'()&gt;(long) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3915299)
#<!-- -->33 0x00005e4ee7aa1847 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref&lt;void ()&gt;) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x30f6847)
#<!-- -->34 0x00005e4ee82c0d96 clang::driver::CC1Command::Execute(llvm::ArrayRef&lt;llvm::Optional&lt;llvm::StringRef&gt; &gt;, std::__cxx11::basic_string&lt;char, std::char_traits&lt;char&gt;, std::allocator&lt;char&gt; &gt;*, bool*) const (.part.0) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x3915d96)
#<!-- -->35 0x00005e4ee829522c clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&amp;, clang::driver::Command const*&amp;) const (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x38ea22c)
#<!-- -->36 0x00005e4ee8295c49 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&amp;, llvm::SmallVectorImpl&lt;std::pair&lt;int, clang::driver::Command const*&gt; &gt;&amp;) const (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x38eac49)
#<!-- -->37 0x00005e4ee82a1381 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&amp;, llvm::SmallVectorImpl&lt;std::pair&lt;int, clang::driver::Command const*&gt; &gt;&amp;) (/opt/compiler-explorer/clang-12.0.0/bin/clang+0x38f6381)
#<!-- -->38 0x00005e4ee587141a main (/opt/compiler-explorer/clang-12.0.0/bin/clang+0xec641a)
#<!-- -->39 0x0000755b44429d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#<!-- -->40 0x0000755b44429e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#<!-- -->41 0x00005e4ee592e74e _start (/opt/compiler-explorer/clang-12.0.0/bin/clang+0xf8374e)
clang-12: error: clang frontend command failed with exit code 139 (use -v to see invocation)
Compiler returned: 139

Code

struct T {
  int a;
  int b;
  struct U {
    int c;
    struct V {
      int d;
      int e[4];
      int f;
    } v;
  } u;
} __attribute__((preserve_access_index));

void func(struct T {
  int a;
  int b;
  struct U {
    int c;
    struct V {
      int d;
      int e[4];
      int f;
    } v;
  } u;
} __attribute__((preserve_access_index)) *t) {
  t->u.v.e[3] = 0xa1;
  t->u.c = t->a + t->b;
}

[shafik]

Assertion: https://godbolt.org/z/Eq58aT339

clang: /root/llvm-project/llvm/tools/clang/lib/AST/RecordLayoutBuilder.cpp:3378:
const clang::ASTRecordLayout& clang::ASTContext::getASTRecordLayout(const clang::RecordDecl*) const: 
Assertion `!D->isInvalidDecl() && "Cannot get layout of invalid decl!"' failed.

backtrace:

 #0 0x00000000042386f8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x42386f8)
 #1 0x0000000004235b24 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4235b24)
 #2 0x0000000004179d78 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #3 0x00007c853c842520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x00007c853c8969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #5 0x00007c853c842476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #6 0x00007c853c8287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #7 0x00007c853c82871b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #8 0x00007c853c839e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
 #9 0x0000000007f79198 clang::ASTContext::getASTRecordLayout(clang::RecordDecl const*) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x7f79198)
#10 0x0000000004556000 clang::CodeGen::CGDebugInfo::CollectRecordFields(clang::RecordDecl const*, llvm::DIFile*, llvm::SmallVectorImpl<llvm::Metadata*>&, llvm::DICompositeType*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4556000)
#11 0x000000000455abf5 clang::CodeGen::CGDebugInfo::CreateTypeDefinition(clang::RecordType const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x455abf5)
#12 0x000000000455db53 clang::CodeGen::CGDebugInfo::CreateType(clang::RecordType const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x455db53)
#13 0x0000000004548ac8 clang::CodeGen::CGDebugInfo::CreateTypeNode(clang::QualType, llvm::DIFile*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4548ac8)
#14 0x0000000004548d20 clang::CodeGen::CGDebugInfo::getOrCreateType(clang::QualType, llvm::DIFile*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4548d20)
#15 0x000000000455675c clang::CodeGen::CGDebugInfo::CreatePointerLikeType(llvm::dwarf::Tag, clang::Type const*, clang::QualType, llvm::DIFile*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x455675c)
#16 0x0000000004548a84 clang::CodeGen::CGDebugInfo::CreateTypeNode(clang::QualType, llvm::DIFile*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4548a84)
#17 0x0000000004548d20 clang::CodeGen::CGDebugInfo::getOrCreateType(clang::QualType, llvm::DIFile*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4548d20)
#18 0x000000000455713e clang::CodeGen::CGDebugInfo::CreateType(clang::FunctionType const*, llvm::DIFile*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x455713e)
#19 0x0000000004548a67 clang::CodeGen::CGDebugInfo::CreateTypeNode(clang::QualType, llvm::DIFile*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4548a67)
#20 0x0000000004548d20 clang::CodeGen::CGDebugInfo::getOrCreateType(clang::QualType, llvm::DIFile*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4548d20)
#21 0x0000000004553e79 clang::CodeGen::CGDebugInfo::getOrCreateFunctionType(clang::Decl const*, clang::QualType, llvm::DIFile*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4553e79)
#22 0x000000000455ec68 clang::CodeGen::CGDebugInfo::emitFunctionStart(clang::GlobalDecl, clang::SourceLocation, clang::SourceLocation, clang::QualType, llvm::Function*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x455ec68)
#23 0x00000000047a8d83 clang::CodeGen::CodeGenFunction::StartFunction(clang::GlobalDecl, clang::QualType, llvm::Function*, clang::CodeGen::CGFunctionInfo const&, clang::CodeGen::FunctionArgList const&, clang::SourceLocation, clang::SourceLocation) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x47a8d83)
#24 0x00000000047ae3ac clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl, llvm::Function*, clang::CodeGen::CGFunctionInfo const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x47ae3ac)
#25 0x000000000481b730 clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x481b730)
#26 0x0000000004816424 clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4816424)
#27 0x00000000048172c0 clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x48172c0)
#28 0x0000000004821ca3 clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) (.part.0) CodeGenModule.cpp:0:0
#29 0x0000000004b88089 (anonymous namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef) ModuleBuilder.cpp:0:0
#30 0x0000000004b771a4 clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4b771a4)
#31 0x000000000692d5f4 clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x692d5f4)
#32 0x0000000004b83a88 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4b83a88)
#33 0x0000000004e710c5 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4e710c5)
#34 0x0000000004df209e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4df209e)
#35 0x0000000004f6944d clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4f6944d)
#36 0x0000000000dcf320 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xdcf320)
#37 0x0000000000dc5e8a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) driver.cpp:0:0
#38 0x0000000000dc600d 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
#39 0x0000000004becfd9 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
#40 0x000000000417a214 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x417a214)
#41 0x0000000004bed5ef 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
#42 0x0000000004bae562 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4bae562)
#43 0x0000000004baf50e 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+0x4baf50e)
#44 0x0000000004bb6c45 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0x4bb6c45)
#45 0x0000000000dcb849 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xdcb849)
#46 0x0000000000c7ac14 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xc7ac14)
#47 0x00007c853c829d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#48 0x00007c853c829e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#49 0x0000000000dc5925 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+0xdc5925)