[clang][bytecode] UNREACHABLE executed after saying "invalid type: emitCast"

[k-arrows]

Reproducer:
https://godbolt.org/z/E5o8qeWx6

namespace std {
template <class T> struct initializer_list {
private:
  const T *_M_array;
  __SIZE_TYPE__ _M_len;
};
}
struct D {
  D (std::initializer_list<float>);
};
D d {
#embed __FILE__
};

Backtrace:

invalid type: emitCast
UNREACHABLE executed at /root/build/tools/clang/lib/AST/Opcodes.inc:5450!
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 -fexperimental-new-constant-interpreter <source>
1.	<source>:13:2: current parser token ';'
 #0 0x0000000003ff1df8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3ff1df8)
 #1 0x0000000003fef224 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3fef224)
 #2 0x0000000003f33b68 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #3 0x00007a1814e42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x00007a1814e969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #5 0x00007a1814e42476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #6 0x00007a1814e287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #7 0x0000000003f3f1ca (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3f3f1ca)
 #8 0x0000000007a1a13b clang::interp::EvalEmitter::emitCast(clang::interp::PrimType, clang::interp::PrimType, clang::interp::SourceInfo const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7a1a13b)
 #9 0x0000000007dfceea clang::interp::Compiler<clang::interp::EvalEmitter>::visitInitList(llvm::ArrayRef<clang::Expr const*>, clang::Expr const*, clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7dfceea)
#10 0x0000000007de99fe clang::interp::Compiler<clang::interp::EvalEmitter>::visitInitializer(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7de99fe)
#11 0x0000000007dfbdd1 clang::interp::Compiler<clang::interp::EvalEmitter>::VisitMaterializeTemporaryExpr(clang::MaterializeTemporaryExpr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7dfbdd1)
#12 0x0000000007df59ba clang::interp::Compiler<clang::interp::EvalEmitter>::visit(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7df59ba)
#13 0x0000000007dc259b clang::interp::Compiler<clang::interp::EvalEmitter>::VisitCXXStdInitializerListExpr(clang::CXXStdInitializerListExpr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7dc259b)
#14 0x0000000007de99fe clang::interp::Compiler<clang::interp::EvalEmitter>::visitInitializer(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7de99fe)
#15 0x0000000007df5ab7 clang::interp::Compiler<clang::interp::EvalEmitter>::visit(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7df5ab7)
#16 0x0000000007dea2ca clang::interp::Compiler<clang::interp::EvalEmitter>::VisitCXXConstructExpr(clang::CXXConstructExpr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7dea2ca)
#17 0x0000000007dfb825 clang::interp::Compiler<clang::interp::EvalEmitter>::VisitExprWithCleanups(clang::ExprWithCleanups const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7dfb825)
#18 0x0000000007de99fe clang::interp::Compiler<clang::interp::EvalEmitter>::visitInitializer(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7de99fe)
#19 0x0000000007deaeee clang::interp::Compiler<clang::interp::EvalEmitter>::visitVarDecl(clang::VarDecl const*, bool, bool)::'lambda0'(unsigned int)::operator()(unsigned int) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7deaeee)
#20 0x0000000007deb41a clang::interp::Compiler<clang::interp::EvalEmitter>::visitVarDecl(clang::VarDecl const*, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7deb41a)
#21 0x0000000007deb874 clang::interp::Compiler<clang::interp::EvalEmitter>::visitDeclAndReturn(clang::VarDecl const*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7deb874)
#22 0x0000000007997417 clang::interp::EvalEmitter::interpretDecl(clang::VarDecl const*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7997417)
#23 0x00000000079799bd clang::interp::Context::evaluateAsInitializer(clang::interp::State&, clang::VarDecl const*, clang::APValue&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x79799bd)
#24 0x0000000007952473 clang::Expr::EvaluateAsInitializer(clang::APValue&, clang::ASTContext const&, clang::VarDecl const*, llvm::SmallVectorImpl<std::pair<clang::SourceLocation, clang::PartialDiagnostic>>&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7952473)
#25 0x000000000776d6d2 clang::VarDecl::evaluateValueImpl(llvm::SmallVectorImpl<std::pair<clang::SourceLocation, clang::PartialDiagnostic>>&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x776d6d2)
#26 0x000000000776da81 clang::VarDecl::checkForConstantInitialization(llvm::SmallVectorImpl<std::pair<clang::SourceLocation, clang::PartialDiagnostic>>&) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x776da81)
#27 0x0000000006a7020b clang::Sema::CheckCompleteVariableDeclaration(clang::VarDecl*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a7020b)
#28 0x0000000006a7792b clang::Sema::AddInitializerToDecl(clang::Decl*, clang::Expr*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a7792b)
#29 0x00000000066dab9d clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66dab9d)
#30 0x00000000066e9a29 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::ParsedAttributes&, clang::Parser::ParsedTemplateInfo&, clang::SourceLocation*, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66e9a29)
#31 0x00000000066a741e clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66a741e)
#32 0x00000000066a7baf clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66a7baf)
#33 0x00000000066af8ba clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsedAttributes&, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66af8ba)
#34 0x00000000066b0845 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66b0845)
#35 0x00000000066a259a clang::ParseAST(clang::Sema&, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66a259a)
#36 0x00000000049986e8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49986e8)
#37 0x0000000004c8caf5 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c8caf5)
#38 0x0000000004c08e2e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c08e2e)
#39 0x0000000004d81611 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4d81611)
#40 0x0000000000daeb8f cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdaeb8f)
#41 0x0000000000da583a ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#42 0x00000000049ffff9 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
#43 0x0000000003f34004 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3f34004)
#44 0x0000000004a0060f 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
#45 0x00000000049c28ad clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49c28ad)
#46 0x00000000049c393e 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+++0x49c393e)
#47 0x00000000049cb385 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49cb385)
#48 0x0000000000dab045 clang_main(int, char**, llvm::ToolContext const&) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdab045)
#49 0x0000000000c5f114 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc5f114)
#50 0x00007a1814e29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#51 0x00007a1814e29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#52 0x0000000000da52e5 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xda52e5)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134

[llvmbot]

@llvm/issue-subscribers-clang-frontend

Author: None (k-arrows)

Reproducer: https://godbolt.org/z/E5o8qeWx6 ```cpp namespace std { template <class T> struct initializer_list { private: const T *_M_array; __SIZE_TYPE__ _M_len; }; } struct D { D (std::initializer_list<float>); }; D d { #embed __FILE__ }; ```

Backtrace:

invalid type: emitCast
UNREACHABLE executed at /root/build/tools/clang/lib/AST/Opcodes.inc:5450!
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 -fexperimental-new-constant-interpreter <source>
1.	<source>:13:2: current parser token ';'
 #<!-- -->0 0x0000000003ff1df8 llvm::sys::PrintStackTrace(llvm::raw_ostream&amp;, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3ff1df8)
 #<!-- -->1 0x0000000003fef224 llvm::sys::CleanupOnSignal(unsigned long) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3fef224)
 #<!-- -->2 0x0000000003f33b68 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #<!-- -->3 0x00007a1814e42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #<!-- -->4 0x00007a1814e969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #<!-- -->5 0x00007a1814e42476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #<!-- -->6 0x00007a1814e287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #<!-- -->7 0x0000000003f3f1ca (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3f3f1ca)
 #<!-- -->8 0x0000000007a1a13b clang::interp::EvalEmitter::emitCast(clang::interp::PrimType, clang::interp::PrimType, clang::interp::SourceInfo const&amp;) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7a1a13b)
 #<!-- -->9 0x0000000007dfceea clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::visitInitList(llvm::ArrayRef&lt;clang::Expr const*&gt;, clang::Expr const*, clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7dfceea)
#<!-- -->10 0x0000000007de99fe clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::visitInitializer(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7de99fe)
#<!-- -->11 0x0000000007dfbdd1 clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::VisitMaterializeTemporaryExpr(clang::MaterializeTemporaryExpr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7dfbdd1)
#<!-- -->12 0x0000000007df59ba clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::visit(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7df59ba)
#<!-- -->13 0x0000000007dc259b clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::VisitCXXStdInitializerListExpr(clang::CXXStdInitializerListExpr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7dc259b)
#<!-- -->14 0x0000000007de99fe clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::visitInitializer(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7de99fe)
#<!-- -->15 0x0000000007df5ab7 clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::visit(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7df5ab7)
#<!-- -->16 0x0000000007dea2ca clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::VisitCXXConstructExpr(clang::CXXConstructExpr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7dea2ca)
#<!-- -->17 0x0000000007dfb825 clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::VisitExprWithCleanups(clang::ExprWithCleanups const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7dfb825)
#<!-- -->18 0x0000000007de99fe clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::visitInitializer(clang::Expr const*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7de99fe)
#<!-- -->19 0x0000000007deaeee clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::visitVarDecl(clang::VarDecl const*, bool, bool)::'lambda0'(unsigned int)::operator()(unsigned int) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7deaeee)
#<!-- -->20 0x0000000007deb41a clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::visitVarDecl(clang::VarDecl const*, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7deb41a)
#<!-- -->21 0x0000000007deb874 clang::interp::Compiler&lt;clang::interp::EvalEmitter&gt;::visitDeclAndReturn(clang::VarDecl const*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7deb874)
#<!-- -->22 0x0000000007997417 clang::interp::EvalEmitter::interpretDecl(clang::VarDecl const*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7997417)
#<!-- -->23 0x00000000079799bd clang::interp::Context::evaluateAsInitializer(clang::interp::State&amp;, clang::VarDecl const*, clang::APValue&amp;) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x79799bd)
#<!-- -->24 0x0000000007952473 clang::Expr::EvaluateAsInitializer(clang::APValue&amp;, clang::ASTContext const&amp;, clang::VarDecl const*, llvm::SmallVectorImpl&lt;std::pair&lt;clang::SourceLocation, clang::PartialDiagnostic&gt;&gt;&amp;, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x7952473)
#<!-- -->25 0x000000000776d6d2 clang::VarDecl::evaluateValueImpl(llvm::SmallVectorImpl&lt;std::pair&lt;clang::SourceLocation, clang::PartialDiagnostic&gt;&gt;&amp;, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x776d6d2)
#<!-- -->26 0x000000000776da81 clang::VarDecl::checkForConstantInitialization(llvm::SmallVectorImpl&lt;std::pair&lt;clang::SourceLocation, clang::PartialDiagnostic&gt;&gt;&amp;) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x776da81)
#<!-- -->27 0x0000000006a7020b clang::Sema::CheckCompleteVariableDeclaration(clang::VarDecl*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a7020b)
#<!-- -->28 0x0000000006a7792b clang::Sema::AddInitializerToDecl(clang::Decl*, clang::Expr*, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x6a7792b)
#<!-- -->29 0x00000000066dab9d clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&amp;, clang::Parser::ParsedTemplateInfo const&amp;, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66dab9d)
#<!-- -->30 0x00000000066e9a29 clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&amp;, clang::DeclaratorContext, clang::ParsedAttributes&amp;, clang::Parser::ParsedTemplateInfo&amp;, clang::SourceLocation*, clang::Parser::ForRangeInit*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66e9a29)
#<!-- -->31 0x00000000066a741e clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&amp;, clang::ParsedAttributes&amp;, clang::ParsingDeclSpec&amp;, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66a741e)
#<!-- -->32 0x00000000066a7baf clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&amp;, clang::ParsedAttributes&amp;, clang::ParsingDeclSpec*, clang::AccessSpecifier) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66a7baf)
#<!-- -->33 0x00000000066af8ba clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&amp;, clang::ParsedAttributes&amp;, clang::ParsingDeclSpec*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66af8ba)
#<!-- -->34 0x00000000066b0845 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr&lt;clang::DeclGroupRef&gt;&amp;, clang::Sema::ModuleImportState&amp;) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66b0845)
#<!-- -->35 0x00000000066a259a clang::ParseAST(clang::Sema&amp;, bool, bool) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x66a259a)
#<!-- -->36 0x00000000049986e8 clang::CodeGenAction::ExecuteAction() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49986e8)
#<!-- -->37 0x0000000004c8caf5 clang::FrontendAction::Execute() (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c8caf5)
#<!-- -->38 0x0000000004c08e2e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&amp;) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4c08e2e)
#<!-- -->39 0x0000000004d81611 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x4d81611)
#<!-- -->40 0x0000000000daeb8f cc1_main(llvm::ArrayRef&lt;char const*&gt;, char const*, void*) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdaeb8f)
#<!-- -->41 0x0000000000da583a ExecuteCC1Tool(llvm::SmallVectorImpl&lt;char const*&gt;&amp;, llvm::ToolContext const&amp;) driver.cpp:0:0
#<!-- -->42 0x00000000049ffff9 void llvm::function_ref&lt;void ()&gt;::callback_fn&lt;clang::driver::CC1Command::Execute(llvm::ArrayRef&lt;std::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) Job.cpp:0:0
#<!-- -->43 0x0000000003f34004 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref&lt;void ()&gt;) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x3f34004)
#<!-- -->44 0x0000000004a0060f clang::driver::CC1Command::Execute(llvm::ArrayRef&lt;std::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) Job.cpp:0:0
#<!-- -->45 0x00000000049c28ad clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&amp;, clang::driver::Command const*&amp;, bool) const (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49c28ad)
#<!-- -->46 0x00000000049c393e 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 (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0x49c393e)
#<!-- -->47 0x00000000049cb385 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-assertions-trunk/bin/clang+++0x49cb385)
#<!-- -->48 0x0000000000dab045 clang_main(int, char**, llvm::ToolContext const&amp;) (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xdab045)
#<!-- -->49 0x0000000000c5f114 main (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xc5f114)
#<!-- -->50 0x00007a1814e29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#<!-- -->51 0x00007a1814e29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#<!-- -->52 0x0000000000da52e5 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/clang+++0xda52e5)
clang++: error: clang frontend command failed with exit code 134 (use -v to see invocation)
Compiler returned: 134